Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855999 | DTDM multiplexer with cross-point switch | — | 1989-08-08 |
| 4833673 | Time division multiplexer for DTDM bit streams | Sang H. Lee | 1989-05-23 |
| 4819226 | Framer circuit for use in a DTDM network | Mark Beckner, Thomas J. Robe, Lanny S. Smoot | 1989-04-04 |