Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664424 | Cascade refrigeration system with modular ammonia chiller units | David K. Hinde, John D. Bittner, Shitong Zha | 2017-05-30 |
| 9657977 | Cascade refrigeration system with modular ammonia chiller units | David K. Hinde, John D. Bittner, Shitong Zha | 2017-05-23 |