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| All Patents in class 83/440.1 | |||||
| Number | Date | Patentee | Title | Type | |
| AI258 | Nov. 29, 1859 | W.W. Hollman | Straw cutter | ||
| 2,073,893 | Mar. 16, 1937 | L.A. Wilkie | Apparatus for stamping and punching sheet metal and the like | stamping presses | |