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| All Patents in class 83/673 | |||||
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| Number | Date | Patentee | Title | Type | |
| 454,920 | Jun. 30, 1891 | E.W. Ross | Feed-cutter | ||
| 460,269 | Sep. 29, 1891 | E.W. Ross | Feed-cutter | ||
| 1,027,537 | May 28, 1912 | C.F. Haldeman | Feed-cutter | ||
| 1,404,518 | Jan. 24, 1922 | O.C. Frick | Shear-bar anchor for feed cutters | hay or straw cutters | |