Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632867 | Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery | Michael B. Davis, John J. Dugan, Adrianus Welmers | 1997-05-27 |