US Patent: 1,450,788
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| Valve Grinding Tool
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Patentee:
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| Warren S. Bellows (exact or similar names) - Worcester, Worcester County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 18, 1918 |
| Granted: |
Apr. 03, 1923 |
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Patent Pictures:
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Warren S. Bellows patent April 3, 1923 |
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Stan Schulz
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Description: |
| The working end has a rotating tip and sliding lock. The rotating tip has straight and divided ends corresponding to common provisions on engine valves.
Walden-Worcester brace type valve grinders of the period had other provisions for adjusting to different types of engine valves. |
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