Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9589398 | Distribution of premises access information | Paul Friedli | 2017-03-07 |
| 9580272 | User guidance with mobile electronic devices | Paul Friedli | 2017-02-28 |
| 9202322 | Distribution of premises access information | Paul Friedli | 2015-12-01 |
| 8744754 | User guidance with mobile electronic devices | Paul Friedli | 2014-06-03 |
| 5278893 | Telephone having two handsets | Beat Voser | 1994-01-11 |
| 5014302 | Telephone | Beat Voser | 1991-05-07 |
| 4817138 | Telephone having a handset and a rase each having a receiver and microphone | Ernst Thomke | 1989-03-28 |