Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847829 | Video conferencing network | Thomas C. Arends, Michael W. Barry | 1989-07-11 |
| 4716585 | Gain switched audio conferencing network | Jack N. Bartholmae | 1987-12-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847829 | Video conferencing network | Thomas C. Arends, Michael W. Barry | 1989-07-11 |
| 4716585 | Gain switched audio conferencing network | Jack N. Bartholmae | 1987-12-29 |