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US Patent: 216,228
Improvement in devices for balancing cylinders, cutter-heads, &c.
Patentee:
Charles Seymour - Defiance, OH

USPTO Classifications:
73/474

Tool Categories:
woodworking machines : machine making

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 14, 1879
Granted: Jun. 03, 1879

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Defiance Machine Works

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