| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Leigh R. Evans | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,900,922 | Mar. 14, 1933 | L.R. Evans | Gripping Face for Chucks and Method Of Making the Same | tool holding collets | |
| 2,066,560 | Jan. 05, 1937 | L.R. Evans | Variable speed drive mechanism | metal lathes | |
| 2,221,734 | Nov. 12, 1940 | L.R. Evans | Means for feeding work in automatic screw machines | screwcutting lathes | |