Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5880814 | Visual acuity tester with improved test character generation | Robert Nelson McKnight, Morey H. Waltuck, Kurt Paul Tolksdorf | 1999-03-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5880814 | Visual acuity tester with improved test character generation | Robert Nelson McKnight, Morey H. Waltuck, Kurt Paul Tolksdorf | 1999-03-09 |