US Patent: 1,244,526
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| Valve Grinder
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Patentees:
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| Louis G. Massicotte (exact or similar names) - Providence, RI |
| George C. Boswell (exact or similar names) - Danielson, CT |
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Patent Dates:
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| Applied: |
Apr. 26, 1916 |
| Granted: |
Oct. 30, 1917 |
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Patent Pictures:
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Louis G. Massicotte and George C. Boswell patent Oct. 30, 1917 |
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Stan Schulz
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Description: |
| Brace tool with adjustable "prongs" for use as engine valve grinder. The "prongs" can be retracted to clear the center bit for use as a screwdriver.
Advertised as the M-B No. 60 Adjustable Valve Grinder; No. 61 was a straight screwdriver with the same type of adjustable "prongs." |
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