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US Patent: 523,311
Pipe-vise
Patentee:
George F. Haven - Brooklyn, NY

USPTO Classifications:
269/251, 269/265

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

Assignees:
Lewis Tool Co. - New York, NY

Manufacturer:
Lewis Tool Co. - New York, NY

Witnesses:
W. J. Morgan
Worth Osgood

Patent Dates:
Applied: Mar. 17, 1894
Granted: Jul. 17, 1894

Patent Pictures:
USPTO pdf tiff
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