| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Richard N. Clifton | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 2,458,597 | Jan. 11, 1949 | R.N. Clifton, W. Hoier | Milling Machine | ||
| 2,728,268 | Dec. 27, 1955 | P.F. Ochotschinsky, M.V. Waters, R.N. Clifton | Concavity Generating Milling Machine | ||
| 2,998,634 | Sep. 05, 1961 | R.N. Clifton, E.C. Raehrs | Broaching Tool | ||
| 3,106,011 | Oct. 08, 1963 | D.O. Lawless, R.N. Clifton | Milling Cutter | ||