Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630784 | Method of making and using a rigid endoscope having a modified high refractive index tunnel rod | Walter P. Siegmund, John M. Smith | 1997-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630784 | Method of making and using a rigid endoscope having a modified high refractive index tunnel rod | Walter P. Siegmund, John M. Smith | 1997-05-20 |