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Animal-Trap.

Description: Patent for certain new and useful improvements in animal traps, including instructions and illustrations.
Date: August 29, 1899
Creator: Griffin, Walter R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes-Pin.

Description: Patent for a wire clothes pin that is attached to the clothesline and is easily opened or closed to attach or remove clothes.
Date: March 19, 1907
Creator: Burleson, Pleasant Wright
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal Trap

Description: Patent for an animal trap, particularly desgned for rodents and birds, which is able to trap animals without having to be manually reset each time. Illustrations included.
Date: January 19, 1909
Creator: Barron, Nathan J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes-Pin

Description: Patent for a clothes pin. Illustrations included.
Date: September 20, 1910
Creator: Wiley, Alvin Herbert & Banger, John Edward Armenious
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Compound Rail.

Description: Patent for a compound rail that's joints are as strong as the rest of the rail and prevent jolting when a train passes over the joint.
Date: October 27, 1908
Creator: Cromer, Thomas S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "relates to a car-coupling constructed with draw-heads having stationary hooks and recesses in their sides, and provided with pivoted hooks held in place by springs, and provided with a trip plate and lever, and with chains and a lever, whereby the cars will couple themselves when run together, can be readily uncoupled, will uncouple themselves when thrown from the track, and can be prevented from coupling when run together" … more
Date: May 5, 1885
Creator: Griffin, James Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design's "objects are, first, to couple cars of various altitudes; second, to couple the cars automatically; third, to uncouple from the top or side of the car; [and] fourth, to dispense with pins" (lines 16-20). It consists in a "draw-head [that] is provided with an elastic cover having a link-lifting arm secured thereto, a lever for oscillating said cover, performing the duplex function of disengaging the link and permitting its e… more
Date: November 11, 1890
Creator: Burns, John Calvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar Alarm.

Description: Patent for a new and improved burglar alarm. This design "consists in the combination of the lock-frame with a pivoted plate which is connected to it at one end, and which plate carries the nipple to receive the catch, and is provided with sharp points to catch in the jamb of the door, with a sidewise-moving trigger, which is operated by the door, and a set-screw for securing the lock-plate in position upon the door" (lines 13-21).
Date: June 26, 1883
Creator: Wright, William Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupler.

Description: Patent for a new and improver coupler for railroad cars. This design "consists, first, in a transversely-arranged bar supported by suitable hangers secured to the end of the car a suitable distance above the draw-bar, each end of said transverse bar being provided with hand-wheels having a notch on their outer periphery, with which engage weighed pawls suitably pivoted to the side of the car; secondly, in an arm extending from said transverse bar for supporting the link" (lines 22-31).
Date: July 12, 1881
Creator: Farnam, Stephen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bale Tie.

Description: Patent for a new and improved bale tie. This design is of a metal band with several slots, so that the accompanying metal button can pass through any two overlapping slots, securing the bale within the band.
Date: July 19, 1881
Creator: Griffin, James Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wagon Brake.

Description: Patent for a new and improved wagon-brake. This design consists "of a suitable support which is attached to the rear axle-tree, the brake which is pivoted to this support, the connecting-rod pivoted to the brake, and the operating lever pivoted upon a supporting bar which extends from one standard to the other . . . The object of [the] invention is to produce a wagon-brake which is simple in construction, effective in operation, and by means of which the driver can instantly apply the brake wit… more
Date: May 7, 1889
Creator: Griffin, William Sidney
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Indicator for Scales.

Description: Patent for a new and improved indicator for scales. This design "consists in a weighted rocker and indicating-arm combined with a scale-beam for operation thereby . . . [it has] for [its] object to dispense with the slides heretofore used and provide for an automatic indication of weight" (lines 8-14).
Date: January 17, 1882
Creator: Fulcher, Valentine M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lumber-Carrier

Description: Patent for an improved lumber carrier which, as the cart travels down hill with the weight of the lumber it is prevented from rolling backwards if it were to lose speed by engaging of pawls with notches to hold it in place. It can then be manually pushed to get it started again.
Date: November 15, 1892
Creator: Chauvin, Phillip A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lumber-Drier

Description: Patent for "means adapted to superheat steam and supply it to a drying-chamber, substantially" (lines 28-30).
Date: February 4, 1890
Creator: Hooton, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. Illustrations included.
Date: December 15, 1908
Creator: Greene, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Cleaning Machine.

Description: Patent for a well cleaning machine with spring activated jaws for scoops that pick up mud and leaves from the bottom of wells.
Date: September 24, 1907
Creator: Crowson, Jonas Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Elevator.

Description: Patent for an improvement in water elevators to raise and lower a pair of buckets, meant to be simple, inexpensive, and more efficient than other designs. In particular, it is meant "to move the buckets in either direction without necessitating the operator's changing his position with relation to the apparatus" (lines 19-22).
Date: January 1, 1901
Creator: Griffin, Walter R.; Thomas, Joseph E. & Griffin, Samuel D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam-Engine

Description: Patent for "a new and improved steam-engine, in which the pressure of the live steam is completely and very advantageously utilized," (lines 8-10) including illustrations.
Date: August 3, 1886
Creator: Rush, Peter S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam Engine

Description: Patent for an "new and improved steam-engine in which a dead center position is obviated and the pressure of the live steam is completely and very advantageously utilized" (line 7-11)
Date: August 30, 1887
Creator: Rush, Peter S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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