Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7501458 | Erasable ink for a writing implement | Barry Rosenbaum | 2009-03-10 |
| 6890972 | Erasable ink for a writing implement | Barry Rosenbaum | 2005-05-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7501458 | Erasable ink for a writing implement | Barry Rosenbaum | 2009-03-10 |
| 6890972 | Erasable ink for a writing implement | Barry Rosenbaum | 2005-05-10 |