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Telltale Switch

Description: Patent for switch that indicates when a vacuum fails. Used for systems in "which it is desired to keep a ... uniform vacuum such as in fruit dryers, creosoting plants, surgace and jet condensing for steam plants and the like" (lines 21-25).
Date: March 23, 1915
Creator: Howland, John
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Partner: UNT Libraries Government Documents Department

Tire-Chain

Description: Patent for improved tire chains which can withstand greater strain.
Date: March 23, 1920
Creator: Fields, James A. & Witte, Jessie J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire-Tightener.

Description: Patent for a tire tightener that allows anyone, not just a mechanic to expand and contract the felly depending on the weather.
Date: March 23, 1897
Creator: Dobrowolski, William & Wise, Harry
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Partner: UNT Libraries Government Documents Department

Sanitary Cooking Table

Description: Patent for a sanitary cooking table, which has for its primary object the provision of a sanitary cooking table specially adapted for use in cooking schools.
Date: April 23, 1918
Creator: Laursen, Laust K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Axle Lubricator

Description: Patent for Car Axle Lubricator created with the specific intent of better lubricating the journals and bearings of car axles to prevent overheating with less waste of oil.
Date: December 23, 1919
Creator: Urbieta, Jose M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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