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US Patent: D20,448
Design For A Bar or Stock Of Wrenches
Design For A Monkey Wrench
Patentee:
Robert C. Ellrich - Southington, CT

USPTO Classifications:
D8/22

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Ellrich Hardware Mfg. Co. - Plantsville, CT

Witnesses:
John M. Sharp
Joseph R. Doolittle
J. S. Shumway
L. D. Keilsey

Patent Dates:
Applied: Nov. 24, 1890
Granted: Jan. 06, 1891

Patent Pictures: [ 1 | 2 ]
Robert C. Ellrich design patent January 6, 1891
USPTO pdf tiff
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Description:
Design for the main bar and fixed head for the L-RICH bicycle wrench.

In the patent office's online database, the images for this patent and John J. Tower design patent D20,932 are partially switched.

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