Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9529081 | Using frequency diversity to detect objects | David A. Whelan, Eric B. Jensen | 2016-12-27 |
| 7636244 | Computer enclosure | Michael Kriege, Dan Hong, John C. DiFonzo, Stephen P. Zadesky, David Lundgren +1 more | 2009-12-22 |
| 7310872 | Computer enclosure | Michael Kriege, Dan Hong, John C. DiFonzo, Stephen P. Zadesky, David Lundgren +1 more | 2007-12-25 |
| 7309825 | Guitdoorbell entry signal stringed instrument door chime | — | 2007-12-18 |
| 7012189 | Computer enclosure | Michael Kriege, Dan Hong, John C. DiFonzo, Stephen P. Zadesky, David Lundgren +1 more | 2006-03-14 |