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US Patent: 299,220
Floor clamp
Patentee:
Hiram E. Hatch (exact or similar names) - Dexter, ME

USPTO Classifications:
254/16

Tool Categories:
work holding : clamps : floor clamps

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Volney A. Sprague
Morrill Sprague
Patent Dates:
Applied: Jan. 11, 1884
Granted: May 27, 1884

Patent Pictures: [ 1 | 2 ]
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Description:
One of these appeared in a Martin J. Donnelly auction.

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