Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463836 | System, method and print cartridge for signaling user replacement of fuser wiper | Douglas Anthony Able, Thomas Neal Barnes, Patrick O. Bischel, Rickey Carter Brown, William Keith Richardson +2 more | 2008-12-09 |
| 7310494 | Developing agent transport and storage | Alfred Louis Fahmy, Robert Watson McAlpine, Franklin Joseph Palumbo, William D. Smith, Donald Wayne Stafford | 2007-12-18 |
| 7167672 | Method and device for conveying waste toner in an image forming device | Donald Wayne Stafford, Robert Watson McAlpine, Franklin Joseph Palumbo, Alfred Louis Fahmy, William D. Smith | 2007-01-23 |
| 6990308 | Image forming device, print cartridge and doctor blade assembly that reduce vibrations at doctoring media nip | Robert Watson McAlpine, Donald Wayne Stafford | 2006-01-24 |
| 6931224 | Toner cartridge hopper with labyrinth channels for releasing air while trapping toner in cartridge | Mark Duane Foster, Robert Watson McAlpine, Robert Francis Soto | 2005-08-16 |
| 6771922 | Toner cartridge | Thomas Wilbur Blanck, Mark Duane Foster, Robert Watson McAlpine | 2004-08-03 |