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US Patent: 784,151
Wrench
Patentee:
William H. Gilchrist (exact or similar names) - Rockford, IL

USPTO Classifications:
81/111

Tool Categories:
wrenches : alligator wrenches

Assignees:
William E. Gilchrist - Rockford, IL
Edwin St. John - Rockford, IL

Manufacturer:
America Co. - Momence, IL

Witnesses:
C. B. Clark
E. Behel
A. O. Behel
Patent Dates:
Applied: May 20, 1904
Granted: Mar. 07, 1905

Patent Pictures: [ 1 | 2 | 3 ]
Willliam H. Gilchrist patent March 7, 1905
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Description:
A spring at the hinge point tends to open the jaws. A swinging loop with a toothed dog is the adjusting means.

A known example is marked with the patent date, and ROCKFORD WRENCH ... AMERICA COMPANY

Cited in patent no. 2,484,492.

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