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US Patent: 619,193
Wrench
Patentee:
Maurice Lemley (exact or similar names) - Centre View, OH

USPTO Classifications:
81/61, 81/DIG.9

Tool Categories:
wrenches : ratchet wrenches
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. C. Hills
H. L. Ames
Oscar White
Charles M. Dittmar

Patent Dates:
Applied: Sep. 26, 1898
Granted: Feb. 07, 1899

Patent Pictures:
Maurice Lemley patent February 7, 1899
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Description:
A ratchet pipe wrench. The main features of the patent are the two-part ratchet "clamp" which grips pipe, and the swinging latching head which encloses the "clamp" when the wrench is in use. The ratchet teeth have "dovetail" shape and fit in corresponding dovetail grooves in the head and body of the wrench.

Corresponding Canadian patent CA-63,697 was granted August 26, 1899.

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