Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994004 | Electric actuator for swashplate | Roelf J. Meijer | 1991-02-19 |
| 4897997 | Shell and tube heat pipe condenser | Roelf J. Meijer | 1990-02-06 |
| 4785875 | Heat pipe working liquid distribution system | Roelf L. Meijer, Benjamin Ziph | 1988-11-22 |