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US Patent: 846,016
Fruit Jar Wrench
Patentee:
Joseph L. De Steiger (exact or similar names) - La Salle, IL

USPTO Classifications:
72/125, 72/126, 81/118, 81/3.43

Tool Categories:
wrenches : jar wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Mab A. Geib
E. A. De Steiger

Patent Dates:
Applied: May 03, 1906
Granted: Mar. 05, 1907

Patent Pictures: [ 1 | 2 ]
Joseph L. De Steiger Pat. March 5, 1907
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Description:
A thumb screw acts as a clamp to tighten the grip around the jar lid. A roller straightens and smooths the edge of the cap.

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