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| All Patents in class 409/179 | |||||
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| Number | Date | Patentee | Title | Type | |
| 212,753 | Feb. 25, 1879 | J.N. Smith | Machine for Dressing the Journals of Railway Car Axles | portable milling machines | |
| 636,918 | Nov. 14, 1899 | O. Mergenthaler | Automatic milling-machine | milling machines | |
| 4,591,306 | May 27, 1986 | H. Schürfeld, W. Westerteicher | Peripheral Device for Machine Tools | metalworking machine mechanisms | |
| 5,775,188 | Jul. 07, 1998 | D.S. Strait | Apparatus for and Method of Facing Surfaces | portable metal boring and drilling machines | |