Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201951 | Telephone set with a detachable cordless control and display panel | Arne L. Duwaer, Christian Krexner | 2001-03-13 |
| 5541372 | Force activated touch screen measuring deformation of the front panel | Theunis S. Baller, Kofi A. A. Makinwa, R emy Polaert, Gerardus J. K. M. Koolen, Arne L. Duwaer | 1996-07-30 |