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US Patent: 1,712,484
Screw Driver
Patentee:
William Straton Thomson - Plantsville, CT

USPTO Classifications:
16/430, 16/DIG.12, 81/177.1, 81/436

Tool Categories:
screwdrivers : screwdriver handles

Assignees:
Tobrin Tool Co. - Plantsville, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 14, 1926
Granted: May 14, 1929

Patent Pictures: [ 1 | 2 ]
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