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US Patent: 3,053
Machine for curvilinear and compound-bevel sawing
Patentee:
James Hamilton (exact or similar names) - New York, NY

USPTO Classifications:
217/72, 83/409

Tool Categories:
woodworking machines : reciprocating saws : reciprocating sawmills
woodworking machines : sawmills : reciprocating sawmills

Assignees:
None

Manufacturer:
James Hamilton - New York, NY

Witnesses:
A. J. Hamilton
Charles M. Keller

Patent Dates:
Granted: Apr. 15, 1843

Patent Pictures:
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Vintage Machinery entry for James Hamilton
Description:
Sawmill makes curved cuts by rolling the log during while being sawn.

The 30 September 1848 issue of Scientific American carried an article about a British trial, Hamilton versus Cochran. It seems that James Hamilton sued John W. Cochran in Britain regarding patent infringement for this design: both inventors had secured British patents also. Judgement was in favor of Mr. Hamilton. For Cochran's design, see American patent 5,394.

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