Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318297 | Pendulum-type film hardness measurement tester | Christian Zaffran, Jean-Claude Ser | 1982-03-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318297 | Pendulum-type film hardness measurement tester | Christian Zaffran, Jean-Claude Ser | 1982-03-09 |