Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052522 | Brake bar | W. Thomas Greer | 2018-08-21 |
| 9355795 | M-blade actuated switch assembly | Steven Speece, Brian Speldrich | 2016-05-31 |
| 9238281 | Rebuildable micro-fluidic valve assembly | Christopher R. Tower | 2016-01-19 |
| 8627851 | Rebuildable micro-fluidic valve assembly | Christopher R. Tower | 2014-01-14 |
| 6364472 | Method and apparatus for keying ink supply containers | Susan M. Hmelar, David O. Merrill, Glen Eugene Schmidt, John A. Underwood, Thomas Cocklin +6 more | 2002-04-02 |
| 6183077 | Method and apparatus for keying ink supply containers | Susan M. Hmelar, David O. Merrill, Glen Eugene Schmidt, John A. Underwood, Thomas Cocklin +6 more | 2001-02-06 |
| 5732751 | Filling ink supply containers | Glen Eugene Schmidt, Ronald W. Hall, Truman Jones | 1998-03-31 |