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US Patent: 842,575
Self-retaining adjusting means for clutch-actuating draft-bolts
Patentee: Michael F. McMahon (exact or similar names) - Worcester, MA USPTO Classifications: 411/322, 411/948, 411/956 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine clutches Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles H. Burleigh Fred H. Flinn	Patent Dates: Applied: May 09, 1906 Granted: Jan. 29, 1907 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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