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US Patent: 712,575
Friction-clutch
Patentee: Michael F. McMahon (exact or similar names) - Worcester, MA USPTO Classifications: 192/111.1, 192/70.26, 192/70.29, 192/99A Tool Categories: industrial machines : industrial machine mechanisms : industrial machine clutches Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles H. Burleigh R. E. Lippincott	Patent Dates: Applied: Feb. 27, 1902 Granted: Nov. 04, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for McMahon & Carver

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