UNT Libraries Government Documents Department - 48 Matching Results

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Foldable Hacksaw.

Description: Patent for a foldable hacksaw, including illustrations. The foldable hacksaw is "of rigid construction, at the same time being foldable...so that it may be readily carried in the pocket" (lines 13-16).
Date: June 7, 1921
Creator: Barner, Lawrence Dunston
Item Type: Refine your search to only Patent

Oil-Burner.

Description: Patent for oil burners that is designed specifically for burning crude fuel oil that also has improved construction that centers the spray head with the burner head.
Date: September 7, 1920
Creator: Booker, William B.
Item Type: Refine your search to only Patent

Truss.

Description: Patent for an "improved truss or abdominal belt" (lines 40-41) that provides a simple design with added pads.
Date: April 7, 1920
Creator: Buckley, James William
Item Type: Refine your search to only Patent

Rolling Windshield.

Description: Patent for an automobile attachment which protects the said automobile from adverse weather conditions. The apparatus is unique in its simple construction, practicality, and ability to "be rolled into a small compass" when not in use (lines 20-21).
Date: June 7, 1921
Creator: Gerhard, William H.
Item Type: Refine your search to only Patent

Monolithic Wall.

Description: Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.
Date: February 7, 1922
Creator: Graham, Malcolm J
Item Type: Refine your search to only Patent

Combined Feeder and Hive Ventilator

Description: Patent for improvements in bee-hives by providing means in which the hive can be ventilated during warm weather. The invention provides means in which the ventilating means can be removed or rendered inoperative whenever desired or during cold weather.
Date: November 7, 1922
Creator: Heim, Charles; Heim, Emil R.; Heim, Clarence C. & Heim, Edwin C.
Item Type: Refine your search to only Patent

Sunken-Ship Indicator.

Description: Patent for an object that can show the location a sunken boat from the surface of the water and can be carried in or by a boat and becomes operable once the boat sinks.
Date: September 7, 1920
Creator: Hlavaty, Joe, Jr.
Item Type: Refine your search to only Patent
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