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US Patent: 75,273
Improvement in grinding-mills
Patentees: George W. Hubbard (exact or similar names) - Philadelphia, PA Scott A. Smith (exact or similar names) - Philadelphia, PA USPTO Classifications: 241/249, 241/259.1 Tool Categories: Assignees: Cresson & Smith - Philadelphia, PA Manufacturer: Cresson & Smith - Philadelphia, PA Geo. V. Cresson Co. - Philadelphia, PA Witnesses: E. Oscar Haeuptner H. B. Heyl	Patent Dates: Granted: Mar. 10, 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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