Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948982 | Device for detecting a missing copy by detecting the presence or absence of a colored area on a surface | — | 1990-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948982 | Device for detecting a missing copy by detecting the presence or absence of a colored area on a surface | — | 1990-08-14 |