US Patent: 1,039,602
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| Saw-filing devices
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Patentees:
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| John Slingsby (exact or similar names) - Los Angeles, CA |
| John W. Slingsby (exact or similar names) - Los Angeles, CA |
| USPTO Classifications: |
| 76/36 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 12, 1912 |
| Granted: |
Sep. 24, 1912 |
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Jeff Joslin
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