US Patent: 1,361,219
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| Valve Spring Holder
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Patentee:
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| John J. Bartenstein (exact or similar names) - Cleveland, OH |
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Patent Dates:
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| Applied: |
Jul. 01, 1918 |
| Granted: |
Dec. 07, 1920 |
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Patent Pictures:
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John J. Bartenstein patent Dec. 7, 1920 |
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Stan Schulz
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Description: |
| The structure provides controlled pressure to compress a valve spring between the jaws as shown in the patent drawings, or between one jaw and the engine block as shown in contemporary advertising. |
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