Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10222741 | Drive shaft electrical contact for print cartridge photoreceptor grounding | Joseph R. Broughton, John R. Washington, Peter J. Cresswell | 2019-03-05 |
| 9236677 | Spring power contact having non-linear slot | David R. Cole, Allan McIver, Christopher N. Hancox | 2016-01-12 |
| D729738 | Spring power contact having non-linear slot | David R. Cole, Allan McIver, Christopher N. Hancox | 2015-05-19 |
| 8494930 | Pay for use and anti counterfeit system and method for ink cartridges and other consumables | Michael John Wilsher | 2013-07-23 |