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US Patent: 761,797
Wrench
Patentee:
Frank W. Vogel (exact or similar names) - Santa Monica, CA

USPTO Classifications:
81/303, 81/383, 81/77

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Trimble Barkelew
Margaret C. Nickelson
R. M. Miller
J. Euclid Miller
Patent Dates:
Applied: Nov. 23, 1903
Granted: Jun. 07, 1904

Patent Pictures:
Frank W. Vogel patent June 7, 1904
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Description:
Inter-connected duplex wrench with pivoted links so that jaws will grip and release.

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