Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 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 | $25,866,000 |
| 4935334 | Method for forming a photoresist pattern and apparatus applicable therewith | Ulrich Boettiger | 1990-06-19 | $26,220,000 |
| 4489146 | Reverse process for making chromium masks using silicon dioxide dry etch mask | Gunther Bock, Reinhold Muhl, Klaus P. Thiel | 1984-12-18 | $15,847,000 |