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| Patents for Herr Engine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-26,855 | Jun. 04, 1887 | C.A. Herr, G.K. Schauer | Rateau a Cheval | hay or straw rakes | |
| GB-191,310,037 | Jan. 29, 1914 | C. Herr | Improvements in Traction Engines | steam traction engines | |
| 1,104,537 | Jul. 21, 1914 | S.S. Morton | Traction Engine | steam traction engines | |