Patent Model - Improvement in Pipe-Wrenches
Maker and role
Thomas Stone, Patentee
Thomas Stone, Assignee
William Scurlock, Assignee
Nelson Graham, Assignee
Dec 10 1872
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19 x 17 1/2 x 1 3/4" (48.3 x 44.5 x 4.4cm)
Stone assigned his rights to himself, William Scurlock and Nelson W. Graham, of the same place. His patent "has for its object to furnish an improved pipe-wrench, simple in construction, convenient in use, and effective in operation, being readily adjusted to various-sized pipes, and holding the pipe firmly..." (Patent Number133,902)
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