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US Patent: 115,030
Improvement in machines for molding drain and sewer pipes
Patentee:
David Copeland, Jr. (exact or similar names) - Rochester, NY

USPTO Classifications:
425/414

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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