Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679112 | Calcification-resistant materials and methods of making same through use of multivalent cations | Robert J. Levy | 1997-10-21 |
| 5648399 | Liquid polymer composition and method of use | Michael Friedman | 1997-07-15 |