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US Patent: 803,621
Pneumatic Hammer
Patentee: Allen J. Patch (exact or similar names) - Beloit, Rock County, WI USPTO Classifications: 173/135, 173/16, 173/169, 91/308, 91/323 Tool Categories: industrial tools : pneumatic tools Assignees: Fairbanks, Morse & Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 28, 1903 Granted: Nov. 07, 1905 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Fairbanks Morse & Co.

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