Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912932 | Unloader valve for cryogenic refrigerator | Chester B. Pawelski | 1990-04-03 |
| 4877434 | Cryogenic refrigerator | — | 1989-10-31 |
| 4843826 | Vehicle air conditioner | — | 1989-07-04 |
| 4796430 | Cam drive for cryogenic refrigerator | Alfred Gorawski | 1989-01-10 |