Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8781087 | Simultaneous voice and data systems for secure catalog orders | Jeffrey D. Pierce, G. Jonathan Wolfman, Thomas J. Foth, George M. Macdonald | 2014-07-15 |
| 8139733 | Simultaneous voice and data systems for secure catalog orders | Jeffrey D. Pierce, G. Jonathan Wolfman, Thomas J. Foth, George M. Macdonald | 2012-03-20 |
| 6597147 | 1/8th and 1/16th micro-stepping motor drive software architecture | Yanqing Li | 2003-07-22 |
| 6414460 | Low cost 1/8th, 1/16th micro-stepping motor drive system | Yanqing Li, Mark E. Sasso | 2002-07-02 |