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Manufacturers Index - Grip-Torc Tools

Grip-Torc Tools
Los Gatos, California, U.S.A.
Manufacturer Class: Wood Working Machinery & Metal Working Machinery

Patents
This page contains information on patents issued to this manufacturer.

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USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
2,566,211 Aug. 28, 1951 Drive attachment for tools Thomas B. Keesling San Jose, CA
D170,466 Sep. 22, 1953 Reciprocating tool attachment for a power tool unit Thomas B. Keesling San Jose, CA
2,697,362 Dec. 21, 1954 Angle drive and bearing structure Thomas B. Keesling Los Gatos, CA
2,783,790 Mar. 05, 1957 Power operated tool attachment for electric drills and the like Thomas B. Keesling Los Gatos, CA 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.
See also patent 3,016,933.
2,783,792 Mar. 05, 1957 Free ended saw blade for a power operated saw Thomas B. Keesling Los Gatos, CA See patent 3,016,933 for the device intended to use this sawblade.
2,862,773 Dec. 02, 1958 Bearing element Thomas B. Keesling Los Gatos, CA See also patent 2,697,362; the two patents came out of a single original patent application. The bearing seems to have been developed for use with the drill attachment of patents 2,783,790 and 3,016,933.
571,935 Mar. 10, 1959 Power operated saw Thomas B. Keesling San Jose, CA The patent covers both the sawing attachment for an electric drill, and the sawblade.
2,932,205 Apr. 12, 1960 Power operated tool attachment for electric drills and the like Thomas B. Keesling Los Gatos, CA
D191,539 Oct. 10, 1961 Angled attachment for an electric drill or the like Thomas B. Keesling San Jose, CA
3,016,933 Jan. 16, 1962 Power operated tool attachment for electric drills and the like Thomas B. Keesling Los Gatos, CA 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.
See also patent 2,793,790.