Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683416 | Surgical suture needle of the taper point type | William Schaeffer, Semyon Shchervinsky | 1997-11-04 |
| 5665078 | Surgical needle with decreased penetration | William McJames, William Schaeffer, Semyon Shchervinsky | 1997-09-09 |
| 5649961 | Process for the manufacture of suture needles and needles produced thereby | Semyon Shchervinsky | 1997-07-22 |