Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41040 | Step switched PWM sine generator | Robert H. Lee | 2009-12-15 |
| 6556461 | Step switched PWM sine generator | Robert H. Lee | 2003-04-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41040 | Step switched PWM sine generator | Robert H. Lee | 2009-12-15 |
| 6556461 | Step switched PWM sine generator | Robert H. Lee | 2003-04-29 |