Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715999 | Process of making optical blanks | Helmut Dislich, Nanning Joerg Arfsten, Helmut Schmidt, Gottfried Philipp | 1987-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715999 | Process of making optical blanks | Helmut Dislich, Nanning Joerg Arfsten, Helmut Schmidt, Gottfried Philipp | 1987-12-29 |