US Patent: 1,155,489
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| Valve Grinder
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Patentee:
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| Christian F. Hess (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Jun. 22, 1914 |
| Granted: |
Oct. 05, 1915 |
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Patent Pictures:
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1 | 2
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Christian F. Hess patent Oct. 5, 1915 |
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Stan Schulz
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Description: |
| The unique feature that distinguishes this patent from other compact valve grinders is the "ball joint" pivoted handle to facilitate oscillating motion and operation in tight quarters. |
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