Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412709 | Digital telephone station line controller | Andrew F. Bass, Gregory R. S. Ilg | 1995-05-02 |
| 5027341 | Station line switching control system | Andrew F. Bass, James B. Sherman | 1991-06-25 |
| 4829564 | Distribution frame board | — | 1989-05-09 |