Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686519 | Permanent aqueous marker inks | Kimberly Sanborn | 1997-11-11 |
| 5599853 | Erasable inks | — | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686519 | Permanent aqueous marker inks | Kimberly Sanborn | 1997-11-11 |
| 5599853 | Erasable inks | — | 1997-02-04 |