Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703475 | Data communication method and apparatus using multiple physical data links | Ellen E. Dretzka, Philip A. Schreiner | 1987-10-27 |
| 4689815 | Controlling multi-port hunt groups in a distributed control switching system | Kalwant S. Grewal, Michael R. Ordun, Albert J. Sawyer, Elbert Lee Sneed, Jr. | 1987-08-25 |