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US Patent: 1,275,707
Demountable Rim Wrench
Patentee:
Frederick K. Lawrence - Chicago, IL

USPTO Classifications:
81/124.7, 81/177.5

Tool Categories:
wrenches : automotive specialty wrenches
wrenches : wrench components : wrench handle components
wrenches : wrench components : wrench sockets

Assignees:
None

Manufacturer:
Lawrence Mfg. Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 12, 1917
Granted: Aug. 13, 1918

Patent Pictures: [ 1 | 2 ]
Frederick K. Lawrence Pat. Aug. 13, 1918
USPTO pdf tiff
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Description:
This socket wrench is designed for the bolts used on demountable rim automobile tires. The side handles give extra leverage for the initial loosening and final tightening, and in between act as "speeders." It was marketed as the Lawrence EasyWay Wrench.

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