Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600358 | Ink pen having a hydrophobic barrier for controlling ink leakage | Ella M. Duyck, Lawrence Plotkin | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600358 | Ink pen having a hydrophobic barrier for controlling ink leakage | Ella M. Duyck, Lawrence Plotkin | 1997-02-04 |