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Milk-Cooler

Description: Patent for a milk cooler that may be used to keep milk or other food items chilled without the use of ice. Illustrations included
Date: June 2, 1908
Creator: Hay, Perrie
Partner: UNT Libraries Government Documents Department

Pneumatic Knee Pad

Description: Patent for a pneumatic knee pad. Illustration included.
Date: June 23, 1908
Creator: Gibbs, Paalgo P.
Partner: UNT Libraries Government Documents Department

Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: June 11, 1907
Creator: Broadfoot, Jacob O.
Partner: UNT Libraries Government Documents Department

Display-Stand.

Description: Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date: June 23, 1921
Creator: Gates, Norwood
Partner: UNT Libraries Government Documents Department

Excavating Apparatus

Description: Patent for an "improved excavating apparatus adopted for use in cleaning out tanks, for excavating cellars, for dredging streams, and for other similar purposes; and it consists in the peculiar construction and combination of devices hereinafter fully set forth and claimed." (line 9-14)
Date: June 9, 1903
Creator: Bump, James G.
Partner: UNT Libraries Government Documents Department

Self-Dumping Cage for Hoisting Coal, & c., from Mines.

Description: Patent for improvements in self-dumping cage for hoisting coal or other minerals by first provide a simple and easily-controlled dumping mechanism which can be set at bottom of shaft; second, to secure a positive action of the dumping mechanism and reduce the shock and strain commonly incident to the operation of self-dumping cages; third, to provide a firmer and more easily operated dog for holding car on cage-platform. (Lines 15-22) Illustration is included.
Date: June 25, 1901
Creator: Burdic, Malvern W.
Partner: UNT Libraries Government Documents Department
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