US Patent: 2,294,193
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| Wrench For Spark Plugs and the Like
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Patentee:
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| Henry H. Merriman (exact or similar names) - Jackson, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 10, 1940 |
| Granted: |
Aug. 25, 1942 |
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Patent Pictures:
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Henry H. Merriman patent August 25, 1942 |
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Stan Schulz
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Description: |
| The socket has a molded rubber insert. This protects the porcelain from damage, and acts as a holder for hot plugs, and for cleaning or re-setting the gap.
Pat. nos. 2,304,271 and 2,320,044 are parallel efforts.
The ratchet handle shown in the top of the drawing corresponds to pat. nos. 2,290,197 and 2,292,391. |
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