Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8686940 | Haptic alert waveform generation method and system | John F. Nathan, Karl Kennedy | 2014-04-01 |
| 8141947 | Haptic seating system | John F. Nathan, Arti Rohit Mujumdar, Sandhya Singh, Karl Kennedy | 2012-03-27 |
| 8066324 | Reduced power heat mat | John F. Nathan, Karl Kennedy, H. Winston Maue | 2011-11-29 |