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US Patent: 987,444
Wrench
Patentee:
Elbridge C. Doolittle (exact or similar names) - Wallingford, CT

USPTO Classifications:
81/70

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

Assignees:
Doolittle & Whitehead Co. - Wallingford, CT

Manufacturer:
Doolittle & Whitehead Co. - Wallingford, CT

Witnesses:
C. L. Weed
M. P. Nichols
C. A. Harrison
Geo. M. Judd

Patent Dates:
Applied: Dec. 13, 1910
Granted: Mar. 21, 1911

Patent Pictures: [ 1 | 2 ]
patent 987,444 - edited drawing
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Description:
"This invention relates to an improvement in wrenches, either monkey wrenches or pipe wrenches, the object of the invention being a simple construction of parts, and giving a maximum amount of strength." Screw adjust; jaws angled to the line of the handle.

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