Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797182 | Electrode with a platinum metal catalyst in surface film and its use | Henri B. Beer | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797182 | Electrode with a platinum metal catalyst in surface film and its use | Henri B. Beer | 1989-01-10 |