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US Patent: 363,507
Friction Clutch
Patentees: George Crompton, deceased (Estate of) (exact or similar names) - Worcester, Worcester County, MA Horace Wyman (exact or similar names) - Worcester, Worcester County, MA Mary C. Crompton, Administratrix (exact or similar names) - Worcester, Worcester County, MA USPTO Classifications: 192/80, 192/93B Tool Categories: industrial machines : industrial machine mechanisms : industrial machine clutches Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 28, 1886 Granted: May 24, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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