Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230610 | Orientation-sensitive signal output | Francis MacDougall | 2012-07-31 |
| 8015718 | Orientation-sensitive signal output | Francis MacDougall | 2011-09-13 |
| 7827698 | Orientation-sensitive signal output | Francis MacDougall | 2010-11-09 |
| 7389591 | Orientation-sensitive signal output | Francis MacDougall | 2008-06-24 |