Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522151 | Digital communication system accepting both balanced and unbalanced data signals and method for its use | R. Ashby Armistead, Danyang Raymond Zheng | 2003-02-18 |
| 6250936 | Single-port connection and circuitry accepting both balanced and unbalanced data signals | R. Ashby Armistead, Danyang Raymond Zheng | 2001-06-26 |