Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867952 | Cracking traps for process gas components having a condensed phase | John A. Baumann, Marcello Viscogliosi | 1989-09-19 |
| 4822581 | Catenated phosphorus materials and their preparation | Christian G. Michel, Mark A. Kuck, John A. Baumann, Paul M. Raccah | 1989-04-18 |
| 4818636 | Films of catenated phosphorus materials, their preparation and use, and semiconductor and other devices employing them | Christian G. Michel, Mark A. Kuck, John A. Baumann, Paul M. Raccah | 1989-04-04 |