Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807866 | Transducer of the vibration type, such as an electromechanical transducer of the coriollis type | Alfred Rieder | 2004-10-26 |
| 6691583 | Vibratory transducer | Alfred Rieder | 2004-02-17 |