Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415645 | Method of acoustic calibration using falling media particles to generate ultrasonic reference signals | Betty J. R. Chavez | 2002-07-09 |
| 6341518 | Ultrasonic standard | Betty J. R. Chavez | 2002-01-29 |
| 6339961 | Ultrasonic detecting lubrication apparatus with acoustically isolated transducer | William Bishop, John R. Zeno | 2002-01-22 |