US Patent: 3,016,933 - Power operated tool attachment for electric drills and the like


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US Patent: 3,016,933

Power operated tool attachment for electric drills and the like

Patentee:

Thomas B. Keesling (exact or similar names) - Los Gatos, CA

USPTO Classifications:

144/35.1, 30/392, 30/394, 408/20, 83/773

Tool Categories:

handheld power tools : handheld power tool accessories

Assignees:

C. H. Keesling - San Jose, CA

Thomas B. Keesling - Los Gatos, CA

Manufacturer:

Grip-Torc Tools - Los Gatos, CA

Witnesses:

Unknown

Patent Dates:
Applied:	Feb. 11, 1957
Granted:	Jan. 16, 1962

Patent Pictures:

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Vintage Machinery entry for Grip-Torc Tools

Description:

This reciprocating saw attachment for an electric drill was manufactured and sold by Grip-Torc Tools, a partnership of the inventor, Thomas Bula Keesling, and C. H. Keesling. The latter man was likely Carleton Herbert Keesling (1898-1985), a first cousin of Thomas B. Keesling.