Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886415 | Fan with an essentially square housing | Raimund Engelberger, Hilmar Kirchgessner, Josef Schneider | 1989-12-12 |
| 4806081 | Miniature axial fan | Gunter Wrobel | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886415 | Fan with an essentially square housing | Raimund Engelberger, Hilmar Kirchgessner, Josef Schneider | 1989-12-12 |
| 4806081 | Miniature axial fan | Gunter Wrobel | 1989-02-21 |