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US Patent: 206,851
Clamp
Improvement in Clamps
Patentee:
Henry W. Atwater - Newton, MA

USPTO Classifications:
81/140, 81/175

Tool Categories:
work holding : clamps
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George O. G. Coale
C. H. Slade

Patent Dates:
Applied: Mar. 27, 1878
Granted: Aug. 13, 1878

Patent Pictures:
USPTO pdf tiff
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Description:
The first of two patents marked on Atwater's "TIGER" quick-adjusting nut wrench. The second is 284,162.

J. E. Waynader - patent attorney

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