US Patent: 1,392,373
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| Valve Lifting Device
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Patentee:
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| Joseph E. Wainwright (exact or similar names) - Brooklyn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 15, 1920 |
| Granted: |
Oct. 04, 1921 |
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Patent Pictures:
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Joseph E. Wainwright patent Oct. 4, 1921 |
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Stan Schulz
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Description: |
| The first of two patents referenced by dates on the W-W Co. "accordion" / "lazy tongs" valve spring compressor. The second is 1,447,447. |
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