Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829354 | Drift field switch | — | 1989-05-09 |
| 4814844 | Split two-phase CCD clocking gate apparatus | — | 1989-03-21 |
| 4812801 | Solid state gas pressure sensor | James Halvis, Robert R. Shiskowski | 1989-03-14 |