Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962399 | Method of warning a user of end of life of a consumable for an ink jet printer | Frank Edward Anderson, George Keith Parish, John Dennis Zbrozek | 2005-11-08 |
| 6871926 | Method of estimating an amount of available ink contained in an ink reservoir | Christopher Alan Adkins, Michael Clark Campbell, Donald F. Croley, Mark Fagan, Brian T. Jones +1 more | 2005-03-29 |
| 6242883 | Variable speed three-phase motor drive with two inverter circuits | — | 2001-06-05 |
| 6127791 | Electric drive system and method | — | 2000-10-03 |
| 5406185 | Two-phase inverter drive for a three-phase motor | — | 1995-04-11 |
| 4744041 | Method for testing DC motors | Glenn S. Westerman | 1988-05-10 |