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US Patent: 491,884
Shaft Hanger for Grinding and Polishing Machines
Patentee:
Charles Heaton (exact or similar names) - Philadelphia, PA

USPTO Classifications:
384/202

Tool Categories:
metalworking machines : grinding machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 16, 1890
Granted: Feb. 14, 1893

Patent Pictures:
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