Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7242275 | Variable inductor | John W. Walkinshaw | 2007-07-10 |
| 6736904 | Method and apparatus for the generation of ultrasonic energy fields within circular structures containing a liquid | Susan E. Poniatowski, John W. Walkinshaw | 2004-05-18 |