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| All Patents in class 409/117 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,255,962 | Feb. 12, 1918 | E.D. Paul, C.C. Warner | Grinding Machine | ||
| 1,272,339 | Jul. 09, 1918 | G.C. Hunter | Machine for Sharpening Saws | saw sharpening machines | |
| 2,650,522 | Sep. 01, 1953 | L.E. Godfriaux | Turn Milling Lathe | crank pin lathes | |
| 2,863,361 | Dec. 09, 1958 | J. Daugherty | High Speed Floor Type Contour Milling Machine | milling machines | |
| 2,902,904 | Sep. 08, 1959 | R.L. Henry, J.A. Rave, Jr. | Control System for Machine Tools | machine tool controls | |