Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030339 | Separation of gas and oil mixtures | — | 1991-07-09 |
| 4846863 | Separation of hydrocarbon mixtures | Terence R. Tomlinson | 1989-07-11 |
| 4675030 | Purification of helium | David I. Limb | 1987-06-23 |