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Saw-Filing Machine

Description: Patent for a Saw-Filing Machine. "This invention relates to saw-filing machines; and the object of the invention is to provide a simple and effective device of this character which is adapted to sharpen with accuracy and rapidity the teeth of different kinds of saws." (lines 8-13) including illustrations.
Date: August 25, 1903
Creator: Smith, John D.
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Partner: UNT Libraries Government Documents Department

Corn-Popper

Description: Patent for a corn popper used for popping corn and general cooking. Illustrations included.
Date: June 25, 1907
Creator: Young, G. B.
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Partner: UNT Libraries Government Documents Department

Alarm System

Description: Patent for a fire alarm system which activates when a certain temperature is detected by the device.
Date: May 25, 1909
Creator: Giese, Leo
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Partner: UNT Libraries Government Documents Department

Antifriction Device For Sucker Rods Or The Like

Description: Patent for an antifriction-roller (part of a pumping mechanism) with a mounting that can be manufactured at a low cost, "quickly and readily applied to a rod at any point....and prevent it from bending...and, furthermore, interpose a minimum obstruction to the flow of the liquid in the casing" (lines 17-25)
Date: March 25, 1902
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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