UNT Libraries Government Documents Department - 48 Matching Results

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Cab-Signal and Automatic Stop

Description: Patent for a cab-signal and automatic stop that "relates to railway safety appliances and has particular reference to signals carried preferably within the locomotive cab." (lines 9-12) includes instruction and illustrations.
Date: November 7, 1916
Creator: Bulla, Melbern Bernie

Can Opener.

Description: Patent for "a can opener intended for use in removing or cutting the closures or tops from cans or other sheet metal receptacles." [lines 8-11]
Date: November 25, 1919
Creator: Crawford, Hezekiah H.

Coin-Wrapping Device.

Description: Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date: November 15, 1921
Creator: Mohr, Arthur D.

Cutter-Head

Description: Patent for a cutter head, related to cutter heads used for woodworking machinery, including instructions and illustrations.
Date: November 24, 1914
Creator: Crawford, John Mack

Gate.

Description: Patent for a gate "in which the one hinge point is adapted to be shifted to cause the gate to swing in one direction or the other... [by] providing means for shifting the hinge point of the gate from a carriage or a wagon on the roadway without leaving the latter" (lines 11-13, 15-17); including instructions and illustrations.
Date: November 11, 1913
Creator: Craig, Sam A.

Harness.

Description: Patent for a harness for racing horses and buggies, which eliminates the jerky motion of the buggy from the movement of the horse.
Date: November 16, 1909
Creator: Crawford, Hezekiah H.
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