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US Patent: 1,562,018
Combination Wrench
Patentee:
Robert Warff - San Francisco, CA

USPTO Classifications:
7/164, 81/437, D8/22

Tool Categories:
wrenches : wrench combination tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Feb. 20, 1924
Granted: Nov. 17, 1925

Patent Pictures:
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Description:
Adam E. Fisher - patent attorney

I Claim:

In a device of the kind described, a flat rule like main shank having nut engaging apertures formed therein; a sliding jaw and shank mounted upon the main shank, the shank of the sliding jaw having notches formed therein adapted to register with the nut engaging apertures of the main shank; and means for locking the sliding jaw in any set position upon the main shank.

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