Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611268 | Compactor with expanding and contracting nozzle | — | 1997-03-18 |
| 5590659 | Ultrasonic visualization method and apparatus | Patrick J. Ryan, Derek Kelly, Robert Julian Dickinson | 1997-01-07 |