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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:
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