US Patent: 1,780,886
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Circular-saw-sharpening machine
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Patentees:
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Eugene F. Mitchell (exact or similar names) - Spokane, WA |
John F. Pribnow (exact or similar names) - San Diego, CA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Feb. 23, 1928 |
Granted: |
Nov. 04, 1930 |
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Jeff Joslin
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Description: |
John F. Pribnow was deceased by the time the patent was issued. |
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