Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451995 | Rigid loop case structure for thermal ink-jet pen | David W. Swanson, Timothy J. Carlin | 1995-09-19 |
| 4967207 | Ink jet printer with self-regulating refilling system | — | 1990-10-30 |