US Patent: 1,350,804
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| Valve Grinder
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Patentee:
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| Percy P. Hinckley (exact or similar names) - Meriden, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 24, 1919 |
| Granted: |
Aug. 24, 1920 |
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Patent Pictures:
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Percy P. Hinckley patent Aug. 8, 1920 |
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Stan Schulz
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Description: |
| Two piece tool: a "T" handle valve seat reamer, and auxiliary handle to convert the action to valve grinder suitable for valves in Model T FORD and similar engines. Hinckley's parallel patent 1,350,803 provides a valve spring compressor to complete the ensemble. |
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