Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417335 | Digital satellite telephone office | Michael J. Kelly, Alex W. Kobylar, David J. Stelte | 1983-11-22 |
| 4385379 | Digital concentrator for use with a digital telephone office | Michael J. Kelly, Alex W. Kobylar, David J. Stelte | 1983-05-24 |