Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681468 | Filter coated with antimicrobial material | Samuel P. Sawan, Sundar Subramanyam, Alexander Yurkovetskiy | 1997-10-28 |
| 5617157 | Computer controlled subjective refractor | Marvin L. Pund, Susan L. Bragg, James D. Houseman, Steven Free | 1997-04-01 |