Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488931 | Systems and methods for pressure-based haptic effects | Christopher J. Ullrich, Amaya Weddle, David M. Birnbaum | 2019-11-26 |
| 10200332 | Delivery of haptics to select recipients of a message | Liwen Wu, Henry DA COSTA, Changyu Yang, Vincent Levesque, David M. Birnbaum +1 more | 2019-02-05 |
| 9939904 | Systems and methods for pressure-based haptic effects | Christopher J. Ullrich, Amaya Weddle, David M. Birnbaum | 2018-04-10 |
| 9632581 | Systems and methods for pressure-based haptic effects | Christopher J. Ullrich, Amaya Weddle, David M. Birnbaum | 2017-04-25 |