Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011261 | Multi-speed transmission with countershaft gearing arrangement | James D. Hendrickson, Patrick S. Portell, Henryk Sowul | 2011-09-06 |
| 7913580 | Apparatus and method for securing transmission gear synchronizers to shafts | Boris Burgman, Henryk Sowul, David B. Mischler | 2011-03-29 |
| 7886626 | Multi-speed dual clutch transmission | Per-Gunnar Bjorck, Mikael Mohlin, Patrick S. Portell, Henryk Sowul | 2011-02-15 |
| 7870804 | Multi-speed dual clutch transmission | Per-Gunnar Bjorck, Mikael Mohlin, Patrick S. Portell, Henryk Sowul | 2011-01-18 |