Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11635239 | Refrigeration system with purge and acid filter | Daoud A. Jandal, Julie Ann MAJURIN, Stephen A. Kujak, Raymond S. Schafer | 2023-04-25 |
| 11073315 | Refrigeration system with purge and acid filter | Daoud A. Jandal, Julie Ann MAJURIN, Stephen A. Kujak, Raymond S. Schafer | 2021-07-27 |
| 10190808 | Refrigeration system with purge and acid filter | Daoud A. Jandal, Julie Ann MAJURIN, Stephen A. Kujak, Raymond S. Schafer | 2019-01-29 |