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US Patent: 307,187
Screw-Driver Ratchet Screw-Driver
Patentees: Franklin L. Hamlen (exact or similar names) - Augusta, ME Zachary T. Furbish (exact or similar names) - Augusta, ME USPTO Classifications: 81/29 Tool Categories: screwdrivers : screwdriver mechanisms : ratcheting screwdrivers Assignees: None Manufacturer: Not known to have been produced Witnesses: E. W. Whitehouse L. M. Percival	Patent Dates: Applied: Jul. 28, 1884 Granted: Oct. 28, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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