Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033076 | Enhanced privacy feature for telephone systems | William C. Jones, Wayne R. Kalbow, Elizabeth M. Mazur | 1991-07-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033076 | Enhanced privacy feature for telephone systems | William C. Jones, Wayne R. Kalbow, Elizabeth M. Mazur | 1991-07-16 |