| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Robert S. McConnell | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,878,763 | Sep. 20, 1932 | H. Henz, R.S. McConnell, H.H. Dovell | Grinding wheel dresser | grinder dressers | |
| 3,039,451 | Jun. 19, 1962 | R.S. McConnell | Grinding wheel dressers | grinder dressers | |
| CA-671,558 | Oct. 01, 1963 | R.S. McConnell | Grinding wheel dressers | grinder dressers | |