Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7800321 | Method for the detection of the rotational position of the rotor of a DC motor with commutator | Otto Knittel | 2010-09-21 |
| 5333368 | Chair control with forward tilt | Johannes Uhlenbrock, Larry A. Wilkerson, Richard N. Roslund, Jr. | 1994-08-02 |