Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887710 | Retainer for surgical sutures | Constance E. Roshdy, Marvin Alpern | 1989-12-19 |
| 4884681 | Retainer for surgical sutures | Constance E. Roshdy, Marvin Alpern | 1989-12-05 |
RC
Robert J. Cerwin
Overall (1989): #17,383 of 140,708Top 15%
2
Patents 1989