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US Patent: 947,346
Wrench
Patentee:
Herman A. Paquette - Chicago, IL

USPTO Classifications:
81/111

Tool Categories:
wrenches : alligator wrenches

Assignees:
Richards Mfg. Co. - Aurora, IL

Manufacturer:
Richards-Wilcox Mfg. Co. - Aurora, IL

Witnesses:
Chas. F. Bassett
M. A. Milord
W. H. Fitch
F. Benjamin

Patent Dates:
Applied: Mar. 15, 1909
Granted: Jan. 25, 1910

Patent Pictures: [ 1 | 2 ]
Herman A. Paquette patent January 25, 1910
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Description:
This adjustable alligator wrench has a hinged toothed piece attached to the movable jaw that has teeth which engage teeth on the back of the main stock. The engagement is held in place with a swinging spring steel latch. This was produced as the SHARK wrench. Two sizes are known.

Compare this approach to Halvor Christopherson's patent no. 906,614.

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