UNT Libraries Government Documents Department - 67 Matching Results

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Chair Cot.

Description: Patent for "the provision of a chair or a seat which may readily be converted into a cot when occasion demands" (lines 9-12) including instructions and illustrations.
Date: July 9, 1918
Creator: Griffith, James Elliott
Item Type: Refine your search to only Patent

Airship.

Description: Patent for an airship with multiple gas bags inside an outer enclosing casing, which maintain the buoyancy of the airship in case one or more of the smaller bags should rupture. This airship also supports one or more persons other than the pilot, has an "envelop adapted to serve as a parachute in the event of danger", and can "alight upon and rise from the surface of a body of water".
Date: July 2, 1918
Creator: Richmond, George E.
Item Type: Refine your search to only Patent

Sanitary Bed-Spring Cover.

Description: Patent for an invention that relates to the improvements in sanitary covers for attachment to the spring of a bed and the spring of the mattress. The sanitary cover provides a solution to repel vermin and noxious insects.
Date: July 5, 1921
Creator: Luedecke, Henry H.
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Mold.

Description: Patent for a form of mold that is constructed to expand and contract quickly to form sidewalks and curbs.
Date: July 15, 1913
Creator: Forbis, Frank H.
Item Type: Refine your search to only Patent

Tent-Stake.

Description: Patent for a tent stake that is used with a metal guy or rope. The purpose of this tent stake is to secure tents under all weather conditions.
Date: July 31, 1917
Creator: Basnett, Augustus
Item Type: Refine your search to only Patent

Coupling-Pin.

Description: Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.
Date: July 23, 1907
Creator: Yeiser, John Clarke
Item Type: Refine your search to only Patent

Apparatus for Treating Timber.

Description: Patent for an invention to aid in the treatment of treating timber. The invention is said to "provide a simple, inexpensive, durable, and efficient apparatus by means of which railroad cross-ties, fence-posts, and the like may be expeditiously and economically treated by immersion in a bath of some preserving liquid" (lines 16-22) including illustrations.
Date: July 11, 1905
Creator: Gerhard, Philip H.
Item Type: Refine your search to only Patent
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