Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417335 | Digital satellite telephone office | Michael J. Kelly, Robert L. Lindsay, David J. Stelte | 1983-11-22 |
| 4410982 | Arrangement for extending digital signaling to telephone subscribers' substations | Gerald Fleischfresser | 1983-10-18 |
| 4385379 | Digital concentrator for use with a digital telephone office | Michael J. Kelly, Robert L. Lindsay, David J. Stelte | 1983-05-24 |
| 4293738 | Analog access arrangement for a digital telephone office | David J. Stelte | 1981-10-06 |
| 4286119 | Arrangement for concentrating pulse code modulation processing circuits in a digital telephone office | David J. Stelte | 1981-08-25 |