Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885078 | Devices capable of removing silicon and aluminum from gaseous atmospheres | Prabhakar Singh | 1989-12-05 |
| 4849254 | Stabilizing metal components in electrodes of electrochemical cells | Roswell J. Ruka | 1989-07-18 |