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| All Patents in class 409/296 | |||||
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| Number | Date | Patentee | Title | Type | |
| 141,049 | Jul. 22, 1873 | R. Harper | Metal Planing Machines | metal planers | |
| 390,306 | Oct. 02, 1888 | M. Morton | Portable Key Seat Cutter | key seating machines | |
| 1,935,484 | Nov. 14, 1933 | F.L. Re Qua | Portable Shaper | track maintenance machinery | |
| 2,862,423 | Dec. 02, 1958 | M.W. Kelton, P.A. Warren | Powered Deburring Device | deburring tools | |