Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505339 | Pressure-sensitive accumulator for ink-jet pens | Bruce Cowger, Marc A. Baldwin, Fred E. Tarver, Gary Tarver, John G. Wydronek | 1996-04-09 |
| 5409134 | Pressure-sensitive accumulator for ink-jet pens | Bruce Cowger, Marc A. Baldwin, Fred E. Tarver, Gary Tarver, John G. Wydronek | 1995-04-25 |