Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917504 | Communications headset | Robert Bernardi | 1990-04-17 |
| 4720857 | Miniaturized headset for two-way voice communication | Christine Burris, Robert L. Harris, Victor Kolough, Larry R. Linville, Robert F. Young | 1988-01-19 |
| 4617431 | Voice tube assemblies for post-auricle headsets | Robert L. Harris | 1986-10-14 |
| 4335281 | Post-auricle contoured headset for two-way voice communication | James B. Robertson, Robert L. Harris | 1982-06-15 |