Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259878 | Ink tray | Danilo P. Buan, Jerome Jackson, Charles F. Murphy, III | 1993-11-09 |
| 5006404 | Replaceable ink pad | — | 1991-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259878 | Ink tray | Danilo P. Buan, Jerome Jackson, Charles F. Murphy, III | 1993-11-09 |
| 5006404 | Replaceable ink pad | — | 1991-04-09 |