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| Patents for William H. H. Knight | |||||
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| Number | Date | Patentee | Title | Type | |
| 234,183 | Nov. 09, 1880 | W.D. Heebner, I.D. Heebner, D.S. Heebner | Feed Cutter | hay or straw cutters | |
| 263,699 | Sep. 05, 1882 | J.D. Heebner | Raking Attachment for Harvester Binders | hay or straw binders | |