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US Patent: 851,956
Friction-clutch for automobiles and other purposes
Patentee:
Michael F. McMahon - Worcester, MA

USPTO Classifications:
192/70.22, 192/70.24, 192/70.26, 192/99A

Tool Categories:
transportation machines : motor vehicles
industrial machines : industrial machine mechanisms : industrial machine clutches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles H. Burleigh
Ella P. Blenus

Patent Dates:
Applied: May 04, 1906
Granted: Apr. 30, 1907

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for McMahon & Carver

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