Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305548 | Cap seal and valve sequencing | John J. Cantrell, Keith Jariabka, William S. Osborne | 2022-04-19 |
| 11220111 | Ink cartridge caps | John J. Cantrell, Keith Jariabka, William S. Osborne | 2022-01-11 |
| 11046102 | Ink tank cap and valve linkage | John J. Cantrell, Keith Jariabka, William S. Osbome | 2021-06-29 |