Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353370 | Computer trackball | Stuart Ashmun, Charlie Garthwaite, Allan H. Stephan, Michael D. Nelson, Mike M. Paull +3 more | 1994-12-13 |
| D347628 | Computer trackball | Stuart Ashmun, Charlie Garthwaite, Paul E. Bradley, James R. Yurchenco, Elinor J. Fulton | 1994-06-07 |
| 5281958 | Pointing device with adjustable clamp attachable to a keyboard | Stuart Ashmun, Charlie Garthwaite, Allan H. Stephan, Michael D. Nelson, Mike M. Paull +3 more | 1994-01-25 |