Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11071676 | Collapsible wheeled walker with stability enhancing bracket apparatus and method | Craig Timothy Shugert, Yichuan Pan, Haibin WU | 2021-07-27 |
| 10973730 | Wheeled walker | Yichuan Pan | 2021-04-13 |
| D902791 | Wheeled walker | Craig Timothy Shugert, Yichuan Pan | 2020-11-24 |
| 10828226 | Collapsible upright wheeled walker apparatus | Yichuan Pan, David A. Purcell, Nebojsa Sataric | 2020-11-10 |
| 10617592 | Wheeled walker | Yichuan Pan | 2020-04-14 |
| 10588815 | Collapsible upright wheeled walker apparatus | Yichuan Pan, David A. Purcell, Nebojsa Sataric | 2020-03-17 |
| 10555866 | Wheeled walker wheel direction lock apparatus and method | Yichuan Pan, Zelin Zhang, David A. Purcell, David Petersen, Scott Allen Rieger | 2020-02-11 |
| D874351 | Wheeled walker | Zelin Zhang, Yichuan Pan, Craig Timothy Shugert | 2020-02-04 |
| 10434031 | Wheeled walker with a moveable seat | Yichuan Pan, Zelin Zhang, Craig Timothy Shugert, David Petersen | 2019-10-08 |
| 10322056 | Collapsible upright wheeled walker apparatus | Yichuan Pan, David A. Purcell, Nebojsa Sataric | 2019-06-18 |
| 10307321 | Wheeled walker with a movable seat | Yichuan Pan, Zelin Zhang, Craig Timothy Shugert, David Petersen | 2019-06-04 |
| 10085909 | Collapsible upright wheeled walker apparatus | Yichuan Pan, David A. Purcell, Nebojsa Sataric | 2018-10-02 |
| 9585807 | Collapsible upright wheeled walker apparatus | Yichuan Pan, David A. Purcell, Nebojsa Sataric | 2017-03-07 |
| 7891757 | Marking element registration | David A. Neese | 2011-02-22 |
| 7762642 | Media advance calibration | David A. Neese | 2010-07-27 |
| 7472983 | Intelligent print mask | Brian Horton | 2009-01-06 |
| 7424781 | Media drying system and method | Shawn J. Mercy | 2008-09-16 |
| 7241003 | Media drying system having a heated surface and a directed gas flow | Shawn J. Mercy, David A. Neese | 2007-07-10 |
| 7210758 | Media feed calibration | David Corner, David A. Neese | 2007-05-01 |
| 6877846 | Replaceable ink jet supply with anti-siphon back pressure control | Yichuan Pan, Mark Broschart, Dennis J. Astroth | 2005-04-12 |
| 6866365 | Bi-directional color printer and method of printing | David A. Neese, Timothy T. Grady | 2005-03-15 |
| 6866359 | Ink jet printhead quality management system and method | Yichuan Pan, Mark Broschart, Timothy T. Grady | 2005-03-15 |
| 6425663 | Microwave energy ink drying system | Bernard J. Eastlund, Donald Emmett Spann, Andrew H. Bushnell, Paul Eberhardt | 2002-07-30 |
| 5992986 | Ink supply apparatus | Cliff Gyotoku, David Albertalli, Jim Middleton | 1999-11-30 |