Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885018 | Method for manufacturing rotationally symmetrical porous solid bodies | Peter Klaus Bachmann, Peter E. E. Geittner, Gerd Romanowski | 1989-12-05 |
| 4877642 | Method of manufacturing electrically conductive molded bodies by plasma-activated chemical deposition from the gaseous phase | Georg Gartner | 1989-10-31 |
| 4857091 | Method of manufacturing optical fibers | Peter E. E. Geittner, Howard J. C. Wilson | 1989-08-15 |