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Patent number:
Patent Date:
US Patent: 712,133
Clutch
Patentee:
Frank S. Hawkins (
exact
or
similar
names) - Boston, MA
USPTO Classifications:
192/35
,
192/70.27
,
74/339
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
industrial machine clutches
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Anna C. Kingsbury
William Edson
Patent Dates:
Applied:
Mar. 14, 1902
Granted:
Oct. 28, 1902
Patent Pictures:
USPTO
(New site tip)
Google Patents
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