Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417644 | Apparatus and method to generate braking torque in an AC drive | Peter Willard Hammond | 2002-07-09 |
| 6411530 | Drive and power supply with phase shifted carriers | Peter Willard Hammond | 2002-06-25 |