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US Patent: 231,181
Pipe-grip
Patentee:
Mortimer G. Lewis - Lowville, NY

USPTO Classifications:
269/272, 269/282

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

Assignees:
Hall Manufacturing Co. - New York, NY

Manufacturer:
Hall Manufacturing Co. - New York, NY

Witnesses:
A. M. Pierce
Worth Osgood

Patent Dates:
Applied: Jun. 30, 1880
Granted: Aug. 17, 1880

Patent Pictures:
USPTO pdf tiff
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