Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350032 | Vision testing apparatus | Christoph Zeller | 2002-02-26 |
| 6210006 | Color discrimination vision test | — | 2001-04-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350032 | Vision testing apparatus | Christoph Zeller | 2002-02-26 |
| 6210006 | Color discrimination vision test | — | 2001-04-03 |