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Patent number:
Patent Date:
US Patent: 88,981
Improvement in machines for heading bolts
Patentee:
Treat T. Prosser (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
470/140
,
470/147
Tool Categories:
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
J. McKenney
W. C. Dodge
Patent Dates:
Granted:
Apr. 13, 1869
Patent Pictures:
USPTO
(New site tip)
Google Patents
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