Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821259 | Control information communication arrangement for a distributed control switching system | Dennis L. DeBruler, Edward H. Hafer, Thomas L. Hiller, James M. Johnson, Jr., Douglas A. Kimber +2 more | 1989-04-11 |
| 4621357 | Time division switching system control arrangement and method | Sheldon Naiman | 1986-11-04 |