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US Patent: 2,528,873
Pipe Chuck
Patentee:
James A. Dorman (exact or similar names) - Elsie, Clinton County, MI

USPTO Classifications:
279/2.2, 279/33, 81/446

Tool Categories:
work holding : vises : pipe and chain vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 29, 1949
Granted: Nov. 07, 1950

Patent Pictures:
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