Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871462 | Enhanced separation of blood components | Albert V. Shatzel | 1989-10-03 |
| 4808307 | Couette membrane filtration apparatus for separating suspended components in a fluid medium using high shear | Robert C. Brumfield | 1989-02-28 |