Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735275 | Tonometer utilizing hydraulic pressure | Jon Ballou, Francis J. Porter | 1998-04-07 |
| 5093557 | Substrate heater and heating element | Charles K. C. Lok | 1992-03-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735275 | Tonometer utilizing hydraulic pressure | Jon Ballou, Francis J. Porter | 1998-04-07 |
| 5093557 | Substrate heater and heating element | Charles K. C. Lok | 1992-03-03 |