Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353011 | Electronic article security system with digital signal processing and increased detection range | Richard G. Wheeler, Joseph M. Cannon, Stephen J. Casey, Luke C. Chang, Von Ertwine +3 more | 1994-10-04 |
| 5099493 | Multiple signal receiver for direct sequence, code division multiple access, spread spectrum signals | Andrew E. Zeger | 1992-03-24 |
| 4428237 | System and method for measuring ultrasonic return signals | Andrew E. Zeger, Joseph L. Rose, Michael J. Avioli, Gurvinder Singh | 1984-01-31 |
| 4406016 | VHF Sensor in-band radio relay | Andrew E. Zeger | 1983-09-20 |