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US Patent: 421,487
Grinding and polishing apparatus
Saw grinding machine
Patentee:
William J. Fisher (exact or similar names) - Newark, NJ

USPTO Classifications:
451/188, 451/213

Tool Categories:
woodworking machines : specialty woodworking machines : tool making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. C. Fischer
Thomas S. Crane

Patent Dates:
Applied: Sep. 04, 1889
Granted: Feb. 18, 1890

Patent Pictures:
USPTO (New site tip)
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