Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642144 | Rechargeable pen for printer | — | 1997-06-24 |
| 5600358 | Ink pen having a hydrophobic barrier for controlling ink leakage | Marc A. Baldwin, Ella M. Duyck | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642144 | Rechargeable pen for printer | — | 1997-06-24 |
| 5600358 | Ink pen having a hydrophobic barrier for controlling ink leakage | Marc A. Baldwin, Ella M. Duyck | 1997-02-04 |