Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883362 | Device for enriching a carrier gas with the vapor of a sparingly volatile substance | Hans Rau, Peter A. Janiel | 1989-11-28 |
| 4877642 | Method of manufacturing electrically conductive molded bodies by plasma-activated chemical deposition from the gaseous phase | Hans Lydtin | 1989-10-31 |