UNT Libraries Government Documents Department - 50 Matching Results

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Airship

Description: Patent for an airship that is equipped with gas bags to control the ascent and descent of the airship and make it float in case of landing in the water.
Date: June 11, 1912
Creator: Bradshaw, John F. W.
Item Type: Refine your search to only Patent

Animal-Trap

Description: Patent for a foot trap for catching animals known for their furs that will prevent the animal from gnawing the trap or his foot off.
Date: May 9, 1911
Creator: Roberson, Elige L.
Item Type: Refine your search to only Patent

Attachment for Plows

Description: Patent for "improvements in attachments for plows for the purpose of cutting roots, sods, and the like, and has for one of its objects to provide a simply constructed attachment which not only provides a suitable cutting implement but likewise includes a removable landslide." (9-15)
Date: January 25, 1916
Creator: Reeves, Wesley L.
Item Type: Refine your search to only Patent

Bottle Holder.

Description: Patent for a bottle holder, to hold ink bottles to a surface such as a desk or table. It is designed to be both a permanent or detachable fixture.
Date: December 3, 1918
Creator: Kayser, Mary Louise
Item Type: Refine your search to only Patent

Clock Attachment

Description: Patent for an improved clock attachment to operate "a series of alarms or signals arranged in different rooms of a building or in other separated stations for simultaneously sounding the alarms or for operating the signals at predetermined times." (lines 11-17) including illustrations.
Date: January 11, 1915
Creator: Moore, John R.
Item Type: Refine your search to only Patent

Combination Lock and Jack.

Description: Patent for a combination lock and jack to prevent automobile theft. The jack locks the operating levers of an automobile to prevent them from moving, and the lock prevents its removal. The jack can also be detached and collapse for easy storage.
Date: May 5, 1919
Creator: Brittain, William Franklin
Item Type: Refine your search to only Patent

Compressor.

Description: Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
Item Type: Refine your search to only Patent

Door-Operator.

Description: Patent for a device that is a means of mounting a train car door by which it may be easily opened or closed, and especially easily fixed when stuck.
Date: August 26, 1913
Creator: Gradick, Wiley, Sr.
Item Type: Refine your search to only Patent

Fender.

Description: Patent for a device "to be secured to the prow of a ship or vessel and which projects forwardly therefrom for the purpose of protecting the vessel against injury from a collision" (lines 13-16) including instructions and illustrations.
Date: May 4, 1915
Creator: Barton, Charles H.
Item Type: Refine your search to only Patent
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