Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933890 | Techniques for interactive input to portable electronic devices | Michael Dale Lampell, Francois-Yves Bertrand, Alan Berfield, Leo Lee | 2015-01-13 |
| 8059099 | Techniques for interactive input to portable electronic devices | Michael Dale Lampell, Francois-Yves Bertrand, Alan Berfield, Leo Lee | 2011-11-15 |