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Patent number:
Patent Date:
US Patent: 115,029
Improvement in cement-pipe
Patentee:
David Copeland, Jr. (
exact
or
similar
names) - Rochester, NY
USPTO Classifications:
249/100
,
249/145
Tool Categories:
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
D. L. Johnston
F. H. Clement
Patent Dates:
Granted:
May 23, 1871
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Frank H. Clement
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