Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880163 | Gas feeding nozzle for a chemical vapor deposition apparatus | Shigeyoshi Kobayashi, Tomoya Takigawa | 1989-11-14 |
| 4808462 | Solar cell substrate | Christopher M. Walker, Stephen Muhl, Arun Madan | 1989-02-28 |