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US Patent: 640,831
Monkey Wrench
Patentee:
Clinton Hale Tebbetts (exact or similar names) - Lexington, KY

USPTO Classifications:
81/145, 81/174, 81/DIG.4

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Robert C. Totten
G. C. Raymond
Walter Famariss
Lindsay D. Little
Patent Dates:
Applied: Apr. 19, 1899
Granted: Jan. 09, 1900

Patent Pictures:
Clinton H. Tebbetts patent January 9, 1900
USPTO (New site tip)
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Description:
Primary rack and spring-loaded pawl quick adjust, with a final supplemental screw adjustment.

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