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US Patent: 333,410
Device for Upsetting the Ends of Metal Pipes
Patentee:
Marcus Edward Hawkins (exact or similar names) - Lansingburg, Renselear County, NY

USPTO Classifications:
144/196, 285/382.4, 285/392, 29/DIG.43, 72/117

Tool Categories:
specialty tools : pipe and tube expanders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 14, 1885
Granted: Dec. 29, 1885

Patent Pictures:
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