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US Patent: 625,046
Screwdriver
Patentee: Charles A. Mann (exact or similar names) - 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 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin
Description: Known example marked with manufacturer and patent date.

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