Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055896 | Self-aligned LDD lateral DMOS transistor with high-voltage interconnect capability | Richard K. Williams | 1991-10-08 |
| 4890146 | High voltage level shift semiconductor device | Richard K. Williams, Duane J. Rothacher | 1989-12-26 |