Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415645 | Method of acoustic calibration using falling media particles to generate ultrasonic reference signals | Mark A. Goodman | 2002-07-09 |
| 6341518 | Ultrasonic standard | Mark A. Goodman | 2002-01-29 |