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US Patent: 421,178
Machinery for Transmitting and Arresting Motion
Patentee: Wilfred Lewis (exact or similar names) - Philadelphia, PA USPTO Classifications: 192/36, 192/66.23, 192/93A, 464/39 Tool Categories: propulsion and energy : clutches Assignees: William Sellers & Co. - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 23, 1889 Granted: Feb. 11, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for William Sellers & Co.

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