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US Patent: 1,377,178
Wrench
Patentee:
Arthur G.H. Andree - Oak Park, IL

USPTO Classifications:
81/178, 81/98, 81/DIG.3

Tool Categories:
wrenches : basin wrenches

Assignees:
None

Manufacturer:
Andree Basin Wrench Co. - Oak Park, IL
Chas. F. Hause Mfg. Co, - Omaha, NE

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 13, 1920
Granted: May 10, 1921

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
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Description:
Example marked Andree Wrench 8" with this patent number. The spring loaded L shaped lever releases the head allowing it to be flipped and reattached to reverse direction (tighten to loosen or loosen to tighten). The top part of the T handle slides back and forth while the patent drawing shows a fixed handle. Early advertising also shows the fixed handle.

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