Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890238 | Method for physical VLSI-chip design | Kurt Pollmann, Helmut Schettler, Uwe Schulz, Otto Wagner, Rainer Zuehlke | 1989-12-26 |
| 4834615 | Mounting arrangement for an axial fan | Richard Mauch | 1989-05-30 |