Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878048 | Channel redundancy in a digital loop carrier system | Mark A. Dempsky, Donald E. Koch, Dev R. Rattan | 1989-10-31 |
| 4270030 | Testing of subscriber loop pair gain systems | Stephen J. Brolin, Dennis H. Morgen, Kenneth H. Swanson | 1981-05-26 |