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US Patent: 1,780,886
Circular-saw-sharpening machine
Patentees:
John F. Pribnow - San Diego, CA
Eugene F. Mitchell - Spokane, WA

USPTO Classifications:
451/121, 451/403, 76/40

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:
Arthur W. Pribnow - San Diego, CA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 23, 1928
Granted: Nov. 04, 1930

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
John F. Pribnow was deceased by the time the patent was issued.

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