Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876012 | Hollow fibre filter cartridge and header | Dennis Roberts, Bruce Gregory Biltoft, Victor White | 1989-10-24 |
| 4816160 | Cooling hollow fibre cross-flow separators | Douglas L. Ford, Eric W. Anderson | 1989-03-28 |