Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285677 | Selective gas detection by field separation and velocity of sound determination, especially O.sub.2 detection | — | 1994-02-15 |
| 5141331 | Ultrasonic temperature measurement and uses in optical spectroscopy and calorimetry | Hans Melchior | 1992-08-25 |