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| All Patents in class 74/84R | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 8,431X | Oct. 04, 1834 | B. Elliott | Alternate motion machine for propelling machinery | |
| 333,161 | Dec. 29, 1885 | F.H. Richards | Device for Converting Motion | ||
| 524,311 | Aug. 14, 1894 | W.A. Cornbrooks | Drop Hammer | ||
| 2,868,032 | Jan. 13, 1959 | C.E. Miller | Indexing Mechanism | ||
| 3,153,361 | Oct. 20, 1964 | K.C. Allen | Ticket issuer | ||
| 4,990,037 | Feb. 05, 1991 | D.S. Strait | Portable Boring Machine | ||