Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8707215 | Hand-held device and method for operating a single pointer touch sensitive user interface | Hafid Hamadene, Roger Jellicoe | 2014-04-22 |
| 8265688 | Wireless communication device and split touch sensitive user input surface | Hafid Hamadene, Roger Jellicoe, Lawrence John Chapa | 2012-09-11 |
| 5041979 | Bounded synchronous angle counter | Gerald M. Hirka, James W. Kopec | 1991-08-20 |
| 4814704 | Rotor position indicator with correction for apparant acceleration and deceleration | James W. Kopec | 1989-03-21 |