Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349371 | Electro-optical mouse with means to separately detect the changes in contrast ratio in X and Y directions | — | 1994-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349371 | Electro-optical mouse with means to separately detect the changes in contrast ratio in X and Y directions | — | 1994-09-20 |