Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5903247 | Servo controlled liquid crystal windows | Chris A. Johnson | 1999-05-11 |
| 5024519 | Apparatus and method for visual-field testing | Chris A. Johnson | 1991-06-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5903247 | Servo controlled liquid crystal windows | Chris A. Johnson | 1999-05-11 |
| 5024519 | Apparatus and method for visual-field testing | Chris A. Johnson | 1991-06-18 |