Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5809185 | Sensor for detecting microorganisms | — | 1998-09-15 |
| 5554921 | Battery charger apparatus and method with multiple range current control | Edward Li, John H. Aseltine | 1996-09-10 |
| 5500579 | Electric motor control with integral battery charger | Sang Hoon Kim, Edward Li | 1996-03-19 |
| 4780656 | Drive and protection system for variable speed motor | — | 1988-10-25 |
| 4713347 | Measurement of ligand/anti-ligand interactions using bulk conductance | David Mitchell | 1987-12-15 |
| 4220688 | Protecting wood from wood degrading organisms | Thomas D. Sleeter | 1980-09-02 |