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Patent number:
Patent Date:
US Patent: 239,933
Friction-clutch
Patentee:
Thomas F. Carver (
exact
or
similar
names) - Worcester, MA
USPTO Classifications:
192/80
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
industrial machine clutches
Assignees:
Michael F. McMahon
- Worcester, MA
Thomas F. Carver
- Worcester, MA
Manufacturer:
McMahon & Carver
- Worcester, MA
Witnesses:
Albert A. Barker
Charles L. Redding
Patent Dates:
Applied:
Feb. 26, 1881
Granted:
Apr. 12, 1881
Patent Pictures: [
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for McMahon & Carver
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