Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7603486 | Network management system providing logic signals over communication lines for detecting peripheral devices | Linh M. LE, Dwight D. Dipert | 2009-10-13 |
| 5903373 | Method and apparatus for locating a transmitter of a diffuse infrared signal within an enclosed area | Jeffrey P. Welch | 1999-05-11 |
| 5838472 | Method and apparatus for locating a transmitter of a diffuse infrared signal within an enclosed area | Jeffrey P. Welch | 1998-11-17 |
| 5724168 | Wireless diffuse infrared LAN system | Jeffrey P. Welch | 1998-03-03 |
| D368260 | Wireless diffuse infrared LAN transceiver | Jeffrey P. Welch | 1996-03-26 |