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US Patent: 176,683
Ratchet Drill
Patentee: Joseph Renshaw (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 408/121 Tool Categories: metalworking tools : ratchet drills Assignees: None Manufacturer: Pratt & Whitney Co. - Hartford, Hartford County, CT Witnesses: S. I. Wilder Jeremy W. Bliss	Patent Dates: Applied: Sep. 14, 1875 Granted: Apr. 25, 1876 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.

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