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| All Patents in class 74/427 | |||||
| Number | Date | Patentee | Title | Type | |
| 248,235 | Oct. 11, 1881 | E.B. Towl | Road Wagon | steam road wagons | |
| 273,150 | Feb. 27, 1883 | L.T. Pyott | Device for Driving Metal Planers | metal planers | |
| 520,486 | May 29, 1894 | V.W. Mason, Jr. | Milling Machine | milling machines | |
| 1,366,770 | Jan. 25, 1921 | F.M. Davis | Gearing | metalworking machine gearing | |
| 1,848,044 | Mar. 01, 1932 | L.H. Blood | Broaching Machine | broaching machines | |
| 2,949,796 | Aug. 23, 1960 | R.J. Rabel, A.F. Frederick | Indexing Mechanism | indexers and dividers | |