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US Patent: 1,409,863
Wrench
Patentee:
Henry O. Johnson (exact or similar names) - Virginia, MN

USPTO Classifications:
81/138

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Ida Josephine Watson
Alice M. Lovelace
F. F. Moilan
E. M. Turja
Patent Dates:
Applied: Apr. 04, 1921
Granted: Mar. 14, 1922

Patent Pictures:
Henry O. Johnson patent March 14, 1922
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Description:
The sliding jaw is held in place by a cam lever.

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