Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860545 | Cryogenic storage tank with a retrofitted in-tank cryogenic pump | Eugene B. Zwick | 1989-08-29 |
| 4819454 | Liquid cryogenic vaporizer utilizing ambient air and a nonfired heat source | Dinh Nguyen D. | 1989-04-11 |