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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:
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Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Frank H. Clement

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