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Chain-Lock.

Description: Patent for an improvement in chain-locks. The improvement locks one end of a log chain to a car so that it cannot be accidentally released.
Date: October 1, 1918
Creator: Clarkson, Jay Caleb.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Trading Card: CCC Company 3807(C)]

Description: Trading card issued as part of the Geocache Challenge program for Fort Parker State Park, depicting part of a spillway built across the Navasota River at Fort Parker Lake, with trees and brush on the far bank. The back of the card includes information about the park and the Civilian Conservation Corps.
Date: 2011
Creator: Texas. Parks and Wildlife Department.
Item Type: Refine your search to only Text
Partner: UNT Libraries Government Documents Department

[Review of Reports]: Pecan Bayou, Texas

Description: Report of the U.S. Army Engineers describing the geography of pecan bayou watershed colorado, including the likelihood of floods and benefits of flood control, as well as ...
Date: November 25, 1968
Creator: United States. Department of the Army. Office, Chief of Engineers.
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a general lock but made especially for trunk locks. It adds a spring lock and preventative measures against lock picking.
Date: October 14, 1902
Creator: Kirk, Robert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. Illustrations included.
Date: April 21, 1908
Creator: Winslow, Walter W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for a lock that was invented for house doors, outside doors, inner safe doors, and other similar doors. The lock is simple in construction and easily operatable for the user's efficiency.
Date: unknown
Creator: Bell, William E. & Brown, Francis W.
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

Lock

Description: Patent for a lock. Illustrations included.
Date: April 21, 1908
Creator: Winslow, Walter W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Switch-Hook

Description: Patent for a switch lock which prevents "splitting" (line 13). Illustrations included.
Date: January 28, 1908
Creator: Tullock, John Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for the invention of gate which can be opened inward and outward by certain features such as supporting brackets and a spirally grooved shaft that can rotate between brackets.
Date: August 28, 1906
Creator: Gilbert James Madison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for a gate that can be opened or closed from a remote point, and can be locked with a latch. Illustrations included.
Date: June 11, 1907
Creator: Rogers, Frederick S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Flood-Gate.

Description: Patent for a flood-gate meant for use in mill-dams, races, and levees. Its intended use is to allow water to come to a certain height, and automatically release water once it gets past that point. When the water returns to a reasonable height, the gate automatically closes.
Date: December 26, 1893
Creator: Dean, Asa
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Permutation-Lock.

Description: Patent for improvements and simplification of the permutation lock including a latch-bolt slidable case and a tumbler-shaft journaled in a side wall of the case.
Date: July 10, 1906
Creator: Katzenberger, Oscar.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seal-Padlock

Description: Patent for a seal padlock, designed to "render it absolutely impossible to gain access to the interior of the lock" (lines 12-14). Illustrations included.
Date: June 11, 1907
Creator: Abrams, Frederic
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hasp-Fastener

Description: Patent for a hasp fastener designed to hold a hasp in a locked position by use of gravity. Illustrations included.
Date: June 16, 1908
Creator: Robinson, Albert W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile Security Lock Device.

Description: Patent for a new and useful form of automobile lock adaptable for use in connection with the steering column and steering wheel of the car or automobile to be locked.
Date: December 18, 1917
Creator: Mushaway, Alden
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Breakwater.

Description: Patent for improving seawalls to "preserve channels across the bars at the mouths of rivers, creeks, or canals and between bays and gulfs" (lines 6-8), including illustration.
Date: June 7, 1859
Creator: Armour, D. Hillen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Canal-Gate.

Description: Patent for an improvement to canal-gates that is "a simple and comparatively inexpensive contrivance for receiving a handle of the shank of a handle which is attached to the lock or gate" (lines 18-22) including an illustration.
Date: March 9, 1920
Creator: Perry, Charles Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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