Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245174 | Focus sensing apparatus utilizing a reflecting surface having variable reflectivity | Ivan Prikryl, Curtis A. Shuman | 1993-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245174 | Focus sensing apparatus utilizing a reflecting surface having variable reflectivity | Ivan Prikryl, Curtis A. Shuman | 1993-09-14 |