Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5900552 | Inwardly directed wave mode ultrasonic transducer, gas analyzer, and method of use and manufacture | Neil D. Roiland | 1999-05-04 |
| 5839302 | Locking device with two simultaneously actuated cylindrical plugs | — | 1998-11-24 |