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US Patent: 73,100
Improvement in shaft-coupling
Patentee: George W. Hubbard (exact or similar names) - Philadelphia, PA USPTO Classifications: 403/309 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine shaft couplings Assignees: Cresson & Smith - Philadelphia, PA Manufacturer: Cresson & Smith - Philadelphia, PA Geo. V. Cresson Co. - Philadelphia, PA Witnesses: Alfred B. Oswell E. Oscar Hamptner	Patent Dates: Granted: Jan. 07, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cresson & Smith; George V. Cresson & Co.

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