US Patent: 1,553,871
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| Valve Grinding Tool
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Patentee:
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| Delbert W. Means (exact or similar names) - Wichita, KS |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 17, 1924 |
| Granted: |
Sep. 15, 1925 |
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Patent Pictures:
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Delbert W. Means patent Sept. 15, 1925 |
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Stan Schulz
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Description: |
| A grip with internal rollers and a metal wear plate with square opening imparts oscillating rotation to a square spiral shaft as it is slid up and down the shaft. |
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