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| Patents for Jacob S. Ammon | |||||
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| Number | Date | Patentee | Title | Type | |
| 245,289 | Aug. 09, 1881 | J.C. Fiester | Mortising-machine | mortising machines | |
| CA-44,433 | Oct. 10, 1893 | J.C. Fiester, J.S. Ammon | Split pulley | industrial machine pulleys and belt drive mechanisms | |