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US Patent: 577,632
Monkey Wrench
Patentee:
Charles E. Thompson - Leesburg, VA

USPTO Classifications:
81/177.7, 81/177.8

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Saml. A. Drury
A. B. Suit
Wm. F. Doyle
H. J. Ennis

Patent Dates:
Applied: Oct. 09, 1896
Granted: Feb. 23, 1897

Patent Pictures:
Charles E. Thompson Pat. February 23, 1897
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Description:
The patent deals with the means of rotating the handle from "in-line" to "right-angle" orientation.

The patent pertains to brace-wrenches of the type represented by patent nos. 530,419, 674,735

Known examples have no legible markings.

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