Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916303 | Electron beam controlled bulk semiconductor switch with cathodoluminescent electron activation | Karl H. Schoenbach, Ralf Brinkmann, Glenn A. Gerdin | 1990-04-10 |
| 4831248 | Electron beam controlled bulk semiconductor switch with cathodoluminescent electron activation | Karl H. Schoenbach, Rudolf Germer, Klemens Schmitt | 1989-05-16 |
| 4825061 | Optically controlled bulk semiconductor switch not requiring radiation to sustain conduction | Karl H. Schoenbach, Rudolf Germer, Sacharia Albin | 1989-04-25 |