UNT Libraries Government Documents Department - 19 Matching Results

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Fluid-Operated Signal

Description: Patent for a fluid operated signal with illustrations. The device would allow communication between a train engineer and a caboose conductor through a device that utilizes the fluid-pressure brake system of the freight train.
Date: September 30, 1902
Creator: Bell, Chester L.
Item Type: Refine your search to only Patent

Bolster-Standard.

Description: Patent for a durable, simple, and easily applied bolster-standard meant to be secured to the bolster and does not allow the bolster to split or crack.
Date: July 30, 1895
Creator: Bennett, Thomas H.
Item Type: Refine your search to only Patent

Windmill.

Description: Patent for a windmill that qualifies as "a substantial and strong machine capable of withstanding the high winds of the Western prairies, which will be at the same time inexpensive and simple in construction, and which will automatically regulate itself in such a manner as to run with a uniform speed in all kinds of winds" (lines 16-22)
Date: August 30, 1892
Creator: Campbell, George W.
Item Type: Refine your search to only Patent

Dirigible Headlight

Description: Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.
Item Type: Refine your search to only Patent

Billiard Cue

Description: Patent for an improved billiard cue with a tip that can be quickly and easily removed and replaced by another and that will be adapted to hold a quantity of powdered chalk for use when needed.
Date: August 30, 1898
Creator: Farrand, James W.
Item Type: Refine your search to only Patent

Mop

Description: Patent for a mop attachment with an opening to receive a handle of the broom and a pair of attaching strips to be tied to the broom handle. It is used to prevent lateral shifting when in place on the broom.
Date: November 30, 1920
Creator: Glenn, William H.
Item Type: Refine your search to only Patent

Weighing-Scoop.

Description: Patent for a scoop for use in stores when measuring flour or related items that weighs the substance in the scoop, and has a light in the handle that can be turned on in dark areas.
Date: April 30, 1907
Creator: Howe, Frank C.
Item Type: Refine your search to only Patent

Film-Feeding Machine

Description: Patent for a film feeding mechanism for cameras of the moving picture type that has for its purpose to provide a machine having means wherein the feeding of the film may be changed to operate in the reverse direction. The result is to obtain "vision scenes" in the moving pictures reproduced by the projecting machine.
Date: December 30, 1913
Creator: Stillings, Franklin E.
Item Type: Refine your search to only Patent
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