Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889696 | Chemical reactor for nitric acid | — | 1989-12-26 |
| 4853185 | Nitrogen strengthened Fe-Ni-Cr alloy | Michael F. Rothman, George Y. Lai | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889696 | Chemical reactor for nitric acid | — | 1989-12-26 |
| 4853185 | Nitrogen strengthened Fe-Ni-Cr alloy | Michael F. Rothman, George Y. Lai | 1989-08-01 |