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US Patent: 285,415
Wrench
Patentee:
William E. Lawrence (exact or similar names) - New York, NY

USPTO Classifications:
81/171

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Lawrence Curry Comb Co. - New York, NY

Witnesses:
Josephine Campbell
Court. A. Cooper
Fred F. Nugent
John McCormick

Patent Dates:
Applied: Jun. 29, 1883
Granted: Sep. 25, 1883

Patent Pictures:
William E. Lawrence Patent Sept. 25, 1883
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Description:
The major feature is the split shank and the accompanying structural modifications to a screw-wrench. The specifications note several alternatives for some details. They all have the split shank and surrounding collar / ferule in common.

Ken Cope's "American Wrench Makers 1830-1930" notes an 1885 ad for this wrench from the Lawrence Curry Comb Co.

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