Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863856 | Weighted collagen microsponge for immobilizing bioactive materials | Robert C. Dean, Jr., Richard A. Berg, Philip G. Phillips, Peter W. Runstadler, Jr., Gennaro J. Maffia | 1989-09-05 |
| 4861714 | Weighted collagen microsponge for immobilizing bioactive material | Robert C. Dean, Jr., Richard A. Berg, Philip G. Phillips, Peter W. Runstadler, Jr. | 1989-08-29 |
| 4841962 | Collagen matrix/polymer film composite dressing | Richard A. Berg, James M. Pachence, John D'Antonio | 1989-06-27 |
| 4837285 | Collagen matrix beads for soft tissue repair | Richard A. Berg, James M. Pachence | 1989-06-06 |