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US Patent: 435,709
Polishing-machine
Patentee:
Michael L. Powers - Unionville, CT

USPTO Classifications:
451/311

Tool Categories:
woodworking machines : sanding machines : belt sanders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Lucius O. Lusk
Thomas S. Rourke

Patent Dates:
Applied: Feb. 24, 1890
Granted: Sep. 02, 1890

Patent Pictures: [ 1 | 2 ]
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