33 Matching Results

Search Results

Tool-Joint.

Description: Patent for improvements in a tool joint that has been adapted to connect sections of a drill used in drilling wells.
Date: June 29, 1920
Creator: Stafford, George A. & Stafford, Roy M.
Partner: UNT Libraries Government Documents Department

Tire-Oven.

Description: Patent for a device that heats wagon and buggy wheel tires that will warm them evenly.
Date: June 29, 1920
Creator: Howlett, Isaac C.
Partner: UNT Libraries Government Documents Department

Tatting-Shuttle

Description: Patent for an improved tatting shuttle. This new shuttle will hold multiple bobbins and shuttles to carry multiple colors of threads.
Date: June 29, 1920
Creator: Wolle, Leonora
Partner: UNT Libraries Government Documents Department
Back to Top of Screen