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US Patent: 2,150,184
Screw Starter
Screw holding screwdriver
Patentee:
George F. Pearson (exact or similar names) - Salt Lake City, Salt Lake County, UT

USPTO Classifications:
81/449

Tool Categories:
specialty tools : screw starters
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
New Britain Machine Co. - New Britain, Hartford County, CT
Aircraft Specialtys - Lapeer, MI
Ullman Devices Corparation - Ridgefield, CT
Pearson Tools - Salt Lake, UT

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 07, 1936
Granted: Mar. 14, 1939

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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"Vintage Machinery" entry for New Britain Machine Co.
Description:
This patent has been manufactured by many companies over the years, not sure if they purchased the right to manufacture it or just waited for it expire. Sample marked "New Britain name in script, followed by "Made in U.S.A." and "Licensed Under Patent No. 2150184", other samples also found marked 'Craftsman and Old Forge " as well as others. Also see Mueller's 1781470 very similar.

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