Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976385 | Game controller with sensitivity adjustment | Andrew J. Riggs, Michael Hammond | 2011-07-12 |
| 7758424 | Game controller with interchangeable controls | Andrew J. Riggs, Michael Hammond | 2010-07-20 |