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in subjects: "Science and Technology - Tools"  
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Lock-Washer.

Description: Patent for "an improved lock washer especially adapted for locking nuts" (lines 10-11) that was designed to "be interposed between the nut and a member to be clamped by the nut" (lines 14-16).
Date: June 8, 1920
Creator: Medbery, Clinton A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Boring Machine.

Description: Patent for improved mechanism of well-boring machine in which it “composed of as few parts as possible, which will effectively grip and rotate a drill-rod or pipe containing coupling and reducing - nipples, or composed of length or sections of varying diameters without impeding the end movement or deranging the central position of said drill-rod or pipe, and without delaying the progress of the machine, to adjust or change any part or parts thereof, also to improve the means for gripping the dr… more
Date: June 17, 1902
Creator: Woods, Frank J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plate for Secondary Batteries.

Description: Patent filed by Joseph O. Luthy, a citizen of the Republic of Switzerland, residing in the city of San Antonio, concerning new and useful improvements in placates for secondary batteries. Figures page 1. Description of patent begins page 2.
Date: June 15, 1915
Creator: Luthy, Joseph O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tool for Truing and Dressing Commutators.

Description: Patent for a tool "for truing and dressing the commutators of dynamo motors... especially designed for truing and dressing the commutators of motors employed for propelling cars" (lines 9-14).
Date: June 25, 1907
Creator: Frick, Claus Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Staple-Setter.

Description: Patent for a staple-setter that can be more efficiently utilized for paper board boxes, specifically boxes that are used by florists.
Date: June 15, 1920
Creator: Suchy, Frank C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring-Wheel.

Description: Patent for an improved spring wheel "which may replace the inelastic wheels commonly used in connection with automobiles, and which are usually made of wood" (lines 10-13) including illustrations.
Date: June 15, 1915
Creator: Gebhardt, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Scraper for Mixing-Machines

Description: Patent for a now and useful Scraper for Mixing-Machines, which is specifically a scraper attachment for the mixing-cylinder wherewith the material that may cling to the inner surface of the cylinder may be scraped off and the mixing operation may be thoroughly performed.
Date: June 4, 1901
Creator: Sliger, Charles F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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