Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353370 | Computer trackball | Stuart Ashmun, Charlie Garthwaite, Bridget Cameron, Allan H. Stephan, Michael D. Nelson +3 more | 1994-12-13 |
| D347628 | Computer trackball | Stuart Ashmun, Charlie Garthwaite, Bridget Cameron, Paul E. Bradley, James R. Yurchenco | 1994-06-07 |
| 5281958 | Pointing device with adjustable clamp attachable to a keyboard | Stuart Ashmun, Charlie Garthwaite, Bridget Cameron, Allan H. Stephan, Michael D. Nelson +3 more | 1994-01-25 |
| D342241 | Computer trackball | Stuart Ashmun, Charlie Garthwaite, Bridget Cameron, Allan H. Stephan, Michael D. Nelson +3 more | 1993-12-14 |
| D326261 | Trackball for computer | Stuart Ashmun, Charlie Garthwaite, Bridget Cameron, Allan H. Stephan, Michael D. Nelson +3 more | 1992-05-19 |