Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790258 | Magnetically coupled wafer lift pins | David J. Drage, Roger B. Lachenbruch, Herbert G. Drake, Jr. | 1988-12-13 |
| 4774164 | Chrome mask etch | Paula E. Peavey | 1988-09-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790258 | Magnetically coupled wafer lift pins | David J. Drage, Roger B. Lachenbruch, Herbert G. Drake, Jr. | 1988-12-13 |
| 4774164 | Chrome mask etch | Paula E. Peavey | 1988-09-27 |