Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624659 | Dynamically updating impedance compensation code for input and output drivers | David R. Johnson, Jed Griffin, David L. Peart | 2003-09-23 |
| 6362655 | Linear active resistor and driver circuit incorporating the same | David R. Johnson | 2002-03-26 |