US Patent: 44,703 - Improved Pipe-Wrench


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US Patent: 44,703

Improved Pipe-Wrench

Patentee:

James R. Brown (exact or similar names) - Boston, MA

USPTO Classifications:

81/99

Tool Categories:

wrenches : pipe wrenches

wrenches : wrench components : wrench jaw components

wrenches : wrench adjustment types : self-adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

R. H. Eddy

F. P. Hale, Jr.

Patent Dates:
Granted:	Oct. 18, 1864

Patent Pictures:

James R. Brown Pat. Oct. 18, 1864

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Description:

The description of this hook-jaw self-adjusting pipe wrench differentiates this design from H.M. Clark's Sept. 8, 1857 hook-jaw pipe wrench patent (no. 18135). This patent has a split jaw on the shank portion.