Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851120 | Anionic polysaccharide separation membranes | James A. Jagodzinski | 1989-07-25 |
| 4824916 | Water-insoluble, crosslinked, sulfonated aromatic polyamide | Larry D. Kershner, Nitis Sarkar, Larry R. Wilson | 1989-04-25 |