Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087283 | Sympathetic ink for ink jet printer | Haywood A. Walker, Jr. | 1992-02-11 |
| 4784876 | Sympathetic ink and developer system | Haywood A. Walker, Jr. | 1988-11-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087283 | Sympathetic ink for ink jet printer | Haywood A. Walker, Jr. | 1992-02-11 |
| 4784876 | Sympathetic ink and developer system | Haywood A. Walker, Jr. | 1988-11-15 |