Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656297 | Modulated release from biocompatible polymers | Howard Bernstein, Yan Zhang, M. Amin Khan | 1997-08-12 |
| 5492656 | Apparatus and method for manhole collar construction | — | 1996-02-20 |