Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846977 | Method and device for separating polar from non-polar liquids using membranes | Robert DeVellis, Lawrence R. Schroeder, H. Hunter Paalman, Terrence L. Caskey, Charles W. Martin | 1989-07-11 |
| 4523464 | Flowmeter with no moving parts | David Raymond Pedersen | 1985-06-18 |