US Patent: 1,174,572
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| Valve Grinder
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Patentee:
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| Frederick C. Hersee (exact or similar names) - Boston, MA |
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Patent Dates:
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| Applied: |
Nov. 11, 1915 |
| Granted: |
Mar. 07, 1916 |
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Patent Pictures:
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1 | 2
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Frederick C. Hersee patent March 7, 1916 |
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Stan Schulz
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Description: |
| Pulling the cord rotates the grinder in one direction; a recoil spring retracts the cord and rotates the grinder in the opposite direction.
Produced as the MOSCO Valve Grinder. |
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