Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869314 | Heat exchanger with secondary and tertiary heat exchange surface | Oliver Laing, Karsten Laing, Doerte Laing | 1989-09-26 |
| 4818193 | Centrifugal pump selectively mountable in centerline or inline position | Karsten Laing | 1989-04-04 |