US Patent: 1,313,601
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| Valve Grinder
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Patentee:
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| John H. Just (exact or similar names) - Syracuse, NY |
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Patent Dates:
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| Applied: |
May 14, 1917 |
| Granted: |
Aug. 19, 1919 |
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Patent Pictures:
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John H. Just patent August 19, 1919 |
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Stan Schulz
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Description: |
| "Up and down" action of the lever handle provides reciprocating rotary action. The patent includes provision for alternate "bits" matching provisions built into the engine valves. The specifications include a summary of how to properly use the tool.
Marketed as the "Simplicity" valve grinder; first advertised in 1914, and listed well into the 1920s. |
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