Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855637 | Oxidation resistant impregnated cathode | Isato Watanabe, Sadanori Taguchi, Susumu Sasaki | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855637 | Oxidation resistant impregnated cathode | Isato Watanabe, Sadanori Taguchi, Susumu Sasaki | 1989-08-08 |