Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625544 | Determining saturation and permeability using mercury capillary pressure curves | Herbert Hi-Hwa Yuan, Benjamin Swanson | 1986-12-02 |
| 4567373 | Centrifugal analyzer | Joseph D. O'Meara, Jr., Herbert H. Yuan, William O. Lease | 1986-01-28 |
| 4212201 | Ultrasonic sensor | John Michele Hirsch | 1980-07-15 |