UNT Libraries Government Documents Department - 110 Matching Results

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Electric Signal System for Electric Cars

Description: Patent for signal systems for electric railways where wires arranged in connection with the signal lamps at the ends of the blocks and on the cars will be lit to signal caution. There will also be a signal within the car if another moving car in the opposite direction enters the same block.
Date: December 26, 1905
Creator: Adams, Edwin J.
Item Type: Refine your search to only Patent

Railway Signaling Mechanism

Description: Patent for a railway signaling mechanism. This invention "relates to certain new and useful improvements in electric railway and block signaling in which means are provided for indicating in the engine cab to the engineer the condition of the road ahead" (lines 9-13). Illustrations included.
Date: January 15, 1907
Creator: Adams, Edwin Johnson
Item Type: Refine your search to only Patent

GATE

Description: Patent for a Gate. "My invention is an improved gate adapted for use as a farm-gate and for other uses." (lines 11-12) and illustrations.
Date: August 25, 1903
Creator: BRUCE, ROBERT A
Item Type: Refine your search to only Patent

Jar.

Description: Patent for a jar for thick semi-liquids such as mustard, which has a discharge spout in the side that allows the contents to be used without taking off the lid of the jar.
Date: August 17, 1909
Creator: Barr, George T., Sr.
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Trolley-Pole.

Description: Patent for a trolley pole, which attaches easily to the wire and can be placed on it by the operator without him leaving his station on the trolley.
Date: March 16, 1909
Creator: Barr, George T., Sr.
Item Type: Refine your search to only Patent

Mail-Bag Fastener.

Description: Patent for a mail bag fastener which automatically locks when closed and can only be opened with a key.It also holds the mail bag open when letters are being withdrawn.
Date: July 16, 1907
Creator: Barr, George Taylor
Item Type: Refine your search to only Patent

Bee-Gum

Description: Patent for a bee hive which has multiple compartments which the bees can travel through and, when keeper wants to remove honey all the bees can be sent into one compartment to avoid the danger of being stung. It also has ventilation and rain protection.
Date: November 5, 1907
Creator: Caperton, William Elson
Item Type: Refine your search to only Patent

Cartridge for Guns.

Description: Patent for "a projectile having an elliptical cross-section and slight longitadinal twist for use in guns provided with a corresponding bore." (lines 8-11), including description and illustrations.
Date: September 24, 1901
Creator: Cole, William F.
Item Type: Refine your search to only Patent

Gun-Barrel.

Description: Patent for improvement in small firearms. The gun combines a cylindrical breech and with an elliptical bore in order to increase the projectile’s impact and stabilize its trajectory. The invention uses an ordinary ball cartridge, improving upon an earlier patent by the inventor. Detailed explanation and illustrations included.
Date: March 4, 1902
Creator: Cole, William F.
Item Type: Refine your search to only Patent

Gun-Stock.

Description: Patent for an improved wooden stock for firearms which combines maximum lightness and strength, may be produced at reduced cost, and is adapted for convenient and advantageous manipulation for defensive purposes.
Date: March 27, 1906
Creator: Cole, William F.
Item Type: Refine your search to only Patent
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