Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701813 | Pet door for screen applications | — | 1997-12-30 |
| 5630784 | Method of making and using a rigid endoscope having a modified high refractive index tunnel rod | Walter P. Siegmund, Paul Remijan | 1997-05-20 |