Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711053 | Un-lockable hinge pintle lock and method of use | — | 1998-01-27 |
| 5111240 | Method for forming a photoresist pattern and apparatus applicable therewith | Ulrich Boettiger | 1992-05-05 |
| 4935334 | Method for forming a photoresist pattern and apparatus applicable therewith | Ulrich Boettiger | 1990-06-19 |
| 4489146 | Reverse process for making chromium masks using silicon dioxide dry etch mask | Gunther Bock, Reinhold Muhl, Klaus P. Thiel | 1984-12-18 |