US Patent: 436,612
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| Hammer
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Patentee:
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| Cebert H. Newhall (exact or similar names) - Philadelphia, PA |
| USPTO Classifications: |
| 81/23 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 03, 1889 |
| Granted: |
Sep. 16, 1890 |
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Stan Schulz
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Description: |
| John A. Wiedersheim - patent attorney
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