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US Patent: 778,562
Jar Wrench
Patentee:
John L. Zesiger (exact or similar names) - Cleveland, OH

USPTO Classifications:
81/3.43, 81/3.44

Tool Categories:
wrenches : jar wrenches

Assignees:
None

Manufacturer:
C. A. Powell - Cleveland, OH

Witnesses:
R. B. Moser
A. N. Moser

Patent Dates:
Applied: Nov. 11, 1902
Granted: Dec. 27, 1904

Patent Pictures: [ 1 | 2 ]
John L. Zegiser patent Dec. 27, 1904
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Description:
The lever handle closes the two semi-circular arc segments. The linkage is "over center" so the jaws clamp on to the jar lid. Produced in malleable iron and stamped steel as the U.S. Mason Jar Wrench by C.A. Powell of Cleveland, Ohio.

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