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US Patent: 1,981,499
Clamp
Patentee:
Harry Grant Francis - Rushville, IN

USPTO Classifications:
144/245.3, 269/172, 269/56

Tool Categories:
work holding : clamps : clamp carriers

Assignees:
None

Manufacturer:
Charles E. Francis Co. - Rushville, IN

Witnesses:
Unknown

Patent Dates:
Applied: May 11, 1929
Granted: Nov. 20, 1934

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Chas. E. Francis & Bros.

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