Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823034 | Brushless DC motor with tolerance compensation spring | — | 1989-04-18 |
| 4806081 | Miniature axial fan | Siegfried Harmsen | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823034 | Brushless DC motor with tolerance compensation spring | — | 1989-04-18 |
| 4806081 | Miniature axial fan | Siegfried Harmsen | 1989-02-21 |