US Patent: 1,384,209
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| Spark-plug-adjusting device
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Patentee:
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| John O'Toole (exact or similar names) - Los Angeles, CA |
| USPTO Classifications: |
| 81/15 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 03, 1920 |
| Granted: |
Jul. 12, 1921 |
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Patent Pictures:
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1 | 2
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Patent 1,384,209 -- edited drawing |
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Stan Schulz
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Description: |
| The patent is a "concept" where the tongue portion combines gage and file functions while the jaws can manipulate the spark plug electrodes. |
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