Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013361 | Ball-point writing instrument containing an aqueous ink composition | Laura K. Case, Chandrasen Gajria, Rachel M. Loftin | 1991-05-07 |
| 4671691 | Ball-point writing instrument containing an aqueous ink composition | Laura K. Case, Chandrasen Gajria, Rachel M. Loftin | 1987-06-09 |
| 4498797 | Pressurized cartridge for a writing instrument | Thomas E. Eaton, Edward J. Ferguson | 1985-02-12 |