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US Patent: 115,587
Improvement in circular cutters
Patentee:
Rufus H. Dorn - Port Henry, NY

USPTO Classifications:
408/190

Tool Categories:
woodworking tools : hand drills : drill accessories

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Chas W. Platt
Rollin B. Holdredge

Patent Dates:
Granted: Jun. 06, 1871

Patent Pictures:
USPTO pdf tiff
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Description:
One of these appears in Martin J. Donnelly's 1999 auction catalogue item D1-6. Rufus is better known for his dado plane patent 129010

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