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US Patent: 1,199,606
Wrench
Patentee:
Frank Prokop (exact or similar names) - Milwaukee, WI

USPTO Classifications:
81/133

Tool Categories:
wrenches : nut wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Frederick W. Ely
J. J. Vlach
Rudolph Schwelb
Patent Dates:
Applied: May 24, 1915
Granted: Sep. 26, 1916

Patent Pictures:
Frank Prokop patent September 26, 1916
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Description:
The adjusting wheel meshes with a rack on the shank of the movable jaw. The frame also carries a sliding adjustment lock.

A known example is a 4 inch pocket wrench stamped PAT 1916.

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