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US Patent: 603,838
Vehicle Wrench
Patentees:
Granville Davis (exact or similar names) - North Salem, IN
James M. Davis (exact or similar names) - Henry, IL

USPTO Classifications:
81/74

Tool Categories:
wrenches : axle nut wrenches : axle nut wrenches that lock nut to wheel hub

Assignees:
Granville Davis - North Salem, IN
James M. Davis - Henry, IL
David D. Thomson - North Salem, IN

Manufacturer:
Not known to have been produced

Witnesses:
S. Nathan
Carey S. Frye
Lucy Nathan

Patent Dates:
Applied: Oct. 11, 1897
Granted: May 10, 1898

Patent Pictures:
Granville Davis and James M. Davis patent May 10, 1898
USPTO (New site tip)
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Description:
The thumb screw clamps the jaws on the axle nut; the springy extensions and hooks attach to wheel spokes so the wheel and nut can be turned on and off the axle.

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