Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838972 | Process for the manufacture of bundles of semi-permeable hollow filaments for use in blood, plasma and dialysate filters | Peter J. De Haan, Evert Jan Klip | 1989-06-13 |