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US Patent: 6,949
Polishing Metal Tools
Machine for Grinding or Polishing Tools
Patentee:
Joseph Vaughan, Jr. - Union, ME

USPTO Classifications:
451/216

Tool Categories:
specialty machines : polishing and buffing machinery
metalworking machines : grinders : tool grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Ruggles
Albert Thurston

Patent Dates:
Granted: Dec. 11, 1849

Patent Pictures:
USPTO pdf tiff
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