Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057748 | Methods of tuning and temperature compensating a variable topography electromagnetic wave device | Ching-yuan L. Hsing, Paul J. Tatomir | 2000-05-02 |
| 5977849 | Variable topography electromagnetic wave tuning device, and operating method | Ching-yuan L. Hsing, Paul J. Tatomir | 1999-11-02 |
| 5192984 | Apparatus and method for determination of concentrations | Gary R. Beecher, David L. Kemper | 1993-03-09 |
| 4246531 | Constant frequency variable rpm generator | — | 1981-01-20 |