Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10642307 | Apparatus for removing a joystick grip | Michael Stoffers, Henning Koschke, Joachim Meyer-Quade | 2020-05-05 |
| 8492670 | Rocker switch | Rainer Maurer, Michael Stoffers | 2013-07-23 |
| 7886632 | Handle grip | Michael Stoffers, Rainer Maurer | 2011-02-15 |
| 7838789 | Rocker switch | Michael Stoffers, Rainer Maurer | 2010-11-23 |
| 6462731 | Joystick | Michael Stoffers, Henning Koschke, Klaus Lamm, Willi Semmelroggen | 2002-10-08 |