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US Patent: 190,459
Improvement in Screw-Driver Handles
Patentee:
Henry Wilkinson - Collinsville, CT

USPTO Classifications:
294/57, 74/543, 81/489, D8/83

Tool Categories:
screwdrivers : screwdriver handles

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. E. Simonds
Robert F. Gaylord

Patent Dates:
Applied: Mar. 24, 1877
Granted: May 08, 1877

Patent Pictures:
USPTO pdf tiff
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