Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393279 | Digital data transmission system having frequency or phase modulated data carrying signals to provide supervisory channel | James A. Kitchen | 1983-07-12 |
| 4388023 | Truss array for supporting devices within a fluid medium | — | 1983-06-14 |
| 4229622 | Multiplexing speech signals | — | 1980-10-21 |