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US Patent: 996,841
Wrench
Patentee:
Jay Jehiel Dixon (exact or similar names) - Warren, PA

USPTO Classifications:
81/119, 81/90.1

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. L. Corbett
C. K. Davies
B. S. DeFrees
J. H. DeFrees
Patent Dates:
Applied: Jul. 28, 1909
Granted: Jul. 04, 1911

Patent Pictures:
Jay J. Dixon patent July 4, 1911
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Description:
A rocking toothed member inside the head will grip pipe the size of the jaw width; the flat jaw sides would also fit nuts of that size.

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