US Patent: 2,412,748
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| Ring groove cleaner for pistons
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Patentee:
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| Kenneth G. Phillips (exact or similar names) - Los Angeles, CA |
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Patent Dates:
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| Applied: |
Jul. 21, 1945 |
| Granted: |
Dec. 17, 1946 |
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Jeff Joslin
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Description: |
| Examples have been seen of this tool, made from aluminum and with the name of a tool retailer on a sticker. The name of the actual maker is currently unknown |
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