Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193843 | Cationic polysaccharides and reagents for their preparation | John Tsai, Peter T. Trzasko, Michael T. Philbin, Robert L. Billmers, Martin M. Tessler +1 more | 2001-02-27 |
| 5227481 | Cationic polysaccharides and reagents for their preparation | John J. Tsai, Peter T. Trzasko, Michael T. Philbin, Robert L. Billmers, Martin M. Tessler +1 more | 1993-07-13 |