Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791532 | Process for reversing and end-shaping inflatable bodies | Ernst-Ludwig Roehl, Klaus Lissewski, Joachim Pollmann | 1998-08-11 |
| 4884408 | Method of controlling a combustion process yielding water vapor | Alfred Karbach, Georg Schaub | 1989-12-05 |