Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11920542 | Three-dimensional monolithic diaphragm tank | Leonard C. Zima, John C. Calnan | 2024-03-05 |
| 11067037 | Three-dimensional monolithic diaphragm tank | Leonard C. Zima, John C. Calnan | 2021-07-20 |
| 5429155 | Cryogenic fluid coupling | Martin E. Gordon, Patrick K. Griffin, John J. Holzinger | 1995-07-04 |