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US Patent: 634,175
Wrench
Patentee:
Rudolph L. Levin - Menominee, MI

USPTO Classifications:
81/339, 81/DIG.7

Tool Categories:
wrenches : spoke nipple wrenches

Assignees:
J. C. Johnson - Menominee, MI
A. J. Scott - Menominee, MI

Manufacturer:
J. C. Johnson - Menominee, MI

Witnesses:
Henry W. Parker
Wm. O. Carlson
O. C. Willson

Patent Dates:
Applied: Apr. 06, 1899
Granted: Oct. 03, 1899

Patent Pictures:
Rudolph L. Levin patent October 3, 1899
USPTO pdf tiff
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Description:
Bicycle spoke nipple wrench; its overall form resembles the DUDLY (patent no. 520,562) but the body hinges in a very different fashion.

A known example bears markings identifying the maker as J.C. Johnson of Menominee, MI.

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