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US Patent: 1,234,190
Wrench
Patentee:
Edwin Macneir (exact or similar names) - Philadelphia, PA

USPTO Classifications:
81/126

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
P. F. Nagle
H. G. Dieterich
H. S. Fairbanks
C. D. McVay
Patent Dates:
Applied: Oct. 24, 1914
Granted: Jul. 24, 1917

Patent Pictures:
Edwin Macneir patent July 24, 1917
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Description:
Another take on an internal mechanism for the head of a self-adjusting nut wrench.

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