Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846861 | Cryogenic refrigerator having a regenerator with primary and secondary flow paths | Samuel G. Siciliano | 1989-07-11 |
| 4831292 | Linear motor arrangement with center of mass balancing | — | 1989-05-16 |