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US Patent: 606,317
Wrench
Patentee:
George R. Van Schoick (exact or similar names) - Coldwater, MI

USPTO Classifications:
81/356, 81/363, 81/408

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
George R. Van Schoick - Coldwater, MI
F. W. Stewart - Coldwater, MI

Manufacturer:
Lagripper Wrench Co. - Battle Creek, MI

Witnesses:
A. E. Morrison
E. J. Morrison
A. Roy Appleman
H. F. Riley

Patent Dates:
Applied: Nov. 30, 1897
Granted: Jun. 28, 1898

Patent Pictures: [ 1 | 2 ]
George R. Van Schoick patent June 28, 1898
USPTO (New site tip)
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Description:
The key element of the patent is the quick-adjusting mechanism in the movable jaw. Produced as the LAGRIPPER Wrench.

A further refinement suitable for pipe wrenches matches patent no. 758,499, although marked with the June 28, 1898 patent date.

C. A. Knowles - patent attorney

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