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US Patent: 625,046
Screwdriver
Patentee:
Charles A. Mann - Buffalo, NY

USPTO Classifications:
81/455

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
C. A. Mann & Co. - Buffalo, NY

Witnesses:
Carl F. Geyer
Ella R. Dean

Patent Dates:
Applied: Jan. 27, 1899
Granted: May 16, 1899

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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Description:
Known example marked with manufacturer and patent date.

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