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US Patent: 176,811
Improvement in Screw-Drivers
Patentee: Daniel C. Richards (exact or similar names) - Reed City, MI USPTO Classifications: 192/44, 74/577SF, 81/29, 81/63 Tool Categories: screwdrivers : screwdriver mechanisms : ratcheting screwdrivers Assignees: Daniel C. Richards - Reed City, MI Emerson W. Trout - Reed City, MI Manufacturer: Not known to have been produced Witnesses: W. H. Palmer L. D. Webster	Patent Dates: Applied: Mar. 25, 1876 Granted: May 02, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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