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US Patent: 1,410,521
Screw Driver
Patentee:
William Stratton Thomson - Plantsville, CT

USPTO Classifications:
217/60D, 81/177.1, 81/436

Tool Categories:
screwdrivers

Assignees:
H. D. Smith & Company - Plantsville, CT

Manufacturer:
H. D. Smith & Company - Plantsville, CT

Witnesses:
Unknown

Patent Dates:
Applied: May 05, 1921
Granted: Mar. 21, 1922

Patent Pictures: [ 1 | 2 ]
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