Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849051 | Heat resistant positive resists and method for preparing heat-resistant relief structures | Hellmut Ahne | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849051 | Heat resistant positive resists and method for preparing heat-resistant relief structures | Hellmut Ahne | 1989-07-18 |