Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5235637 | Voice communication link interface | Vladimir Kraz, Paul Regen, Wayne Stade, Robert F. Young | 1993-08-10 |
| 4975949 | Electronic headset telephone | Frederick P. DeKalb, Gary L. Sanders, Robert Bernardi | 1990-12-04 |