Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7501929 | Actuator with integral position sensor | Donald Robertson Lawrence, Steven Keddie, Yulanda Wang | 2009-03-10 |
| 7116210 | Actuator with integral position sensor | Donald Robertson Lawrence, Steven Keddie, Yulanda Wang | 2006-10-03 |