Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883984 | PIN diode switch | — | 1989-11-28 |
| 4801885 | Nuclear magnetic resonance apparatus for the identification of spectra or images of an examination subject | Ralph Meissner | 1989-01-31 |