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US Patent: 743,227
Wrench
Patentee:
Frank A. Biehn - Chicago, IL

USPTO Classifications:
81/3.44

Tool Categories:
wrenches : jar wrenches

Assignees:
William R. Rummler - Chicago, IL
Eugene A. Rummler - Chicago, IL
Frank A. Biehn - Chicago, IL

Manufacturer:
Benjamin P. Forbes - Cleveland, OH
Forbes Chocolate Co. - Cleveland, OH

Witnesses:
E. F. Rummler
James F. Runley
William R. Rummler
Eugene A. Rummler

Patent Dates:
Applied: Dec. 02, 1901
Granted: Nov. 03, 1903

Patent Pictures: [ 1 | 2 ]
TRIUMPH FRUIT JAR WRENCH Pat Nov 3, 03. MF*D BY BENJ. P. FORBES CLEVELAND, O
USPTO pdf tiff
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Description:
The handle connects to two arc-shaped segments. The wrench sits on top of the jar lid, and has serrations on the inner surface of the rims of the arc-shaped segments to grip the jar lid. This wrench will only work on one size of jar lid.

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