Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886415 | Fan with an essentially square housing | Raimund Engelberger, Siegfried Harmsen, Josef Schneider | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886415 | Fan with an essentially square housing | Raimund Engelberger, Siegfried Harmsen, Josef Schneider | 1989-12-12 |