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Railway Gate

Description: Patent for improved railway gate which functions as cattle-guard and prevents foot traffic on railroad bridges, and opens and closes automatically for trains.
Date: April 10, 1906
Creator: Lowe, William Madison
Partner: UNT Libraries Government Documents Department

Car Door Opener.

Description: Patent for a car door opener, making it possible to open a car door without using a hammer or injuring oneself.
Date: July 31, 1906
Creator: Gibson, Levi D.
Partner: UNT Libraries Government Documents Department

Door Stop and Lock.

Description: Patent for a door lock and door stop that is operated from the doorknob by having a rod with a bolted door stop box on the bottom inserted into the door frame.
Date: April 9, 1907
Creator: Tatum, Cicero James
Partner: UNT Libraries Government Documents Department

Mortising-Tool.

Description: Patent for a mortising-tool which is a device for mortising door-frames to get a hinge.
Date: January 16, 1906
Creator: Huber, Frederick K.
Partner: UNT Libraries Government Documents Department

Car Door

Description: Patent for a rail-car door. This invention is in relation to 'flush doors'. Illustration includes.
Date: March 22, 1904
Creator: Saling, Thomas W. & McKiel, James
Partner: UNT Libraries Government Documents Department

Gate Latch

Description: Patent for "improvements in latches for gates, doors, and the like." (lines 12-13) This latch "may be conveniently operated from either side of the door and may be locked against operation." (lines 15-17)
Date: August 11, 1903
Creator: Carter, Hiram Claborn
Partner: UNT Libraries Government Documents Department

Electrically-Operated Latch and Door

Description: Patent for electrically operated latch and door " and particularly to a construction for primarily operating a latch to release the door, the movement of which latch establishes circuit through a door-opening mechanism.(lines 11-15)
Date: May 19, 1903
Creator: Chambers, Jr., Joseph
Partner: UNT Libraries Government Documents Department

Latch.

Description: Patent for a latch for swinging doors, which can be operated from either side of the door.
Date: May 18, 1909
Creator: Lewis, Oliver
Partner: UNT Libraries Government Documents Department

Seal.

Description: Patent for a car door seal lock device made of a strip of twistable metal.
Date: August 3, 1909
Creator: Reister, John Christian
Partner: UNT Libraries Government Documents Department

Screen Catch

Description: Patent for a screen catch. This invention is a combined catch and lock design. It is "used for holding screen-doors, window-screens, and the like in a closed position" (line 15-17). Illustration included.
Date: April 23, 1907
Creator: Huber, Frederick K.
Partner: UNT Libraries Government Documents Department

Door-Stop.

Description: Patent for a door stop, which is made of metal and attaches easily to the door.
Date: March 16, 1909
Creator: Snowden, Rene Ravenel
Partner: UNT Libraries Government Documents Department

Elevator Door and Catch.

Description: Patent for elevator doors and catches by creating a device which can make the elevator door opened and closed automatically. Illustration is included.
Date: June 18, 1901
Creator: McNaught, Ira S.
Partner: UNT Libraries Government Documents Department

Lock-Escutcheon.

Description: Patent for a lock escutcheon, which can be attached to the door on either side and which does not require carpentry expertise to install.
Date: November 16, 1909
Creator: Magruder, Paul K.
Partner: UNT Libraries Government Documents Department

Door-Holder.

Description: Patent for a door holder, which is operated by turning the door knob and holds the door open at predetermined positions.
Date: March 3, 1908
Creator: Clark, Robert
Partner: UNT Libraries Government Documents Department

Door-Holder.

Description: Patent for a door holder, which will hold the door in place at various preset positions.
Date: December 7, 1909
Creator: Daly, Henry M.
Partner: UNT Libraries Government Documents Department