Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431386 | Motor vehicle roof | Joachim Birkner, Michael Koelbl, Alexander Lang, Rudi Muttenhammer, Martin Pollak +3 more | 2008-10-07 |
| 7237836 | Motor vehicle roof | Joachim Birkner, Michael Koelbl, Alexander Lang, Rudi Muttenhammer, Martin Pollak +3 more | 2007-07-03 |
| 7198323 | Motor vehicle roof | Joachim Birkner, Michael Koelbl, Alexander Lang, Rudi Muttenhammer, Martin Pollak +3 more | 2007-04-03 |
| 7185936 | Motor vehicle roof | Joachim Birkner, Michael Koelbl, Alexander Lang, Rudi Muttenhammer, Martin Pollak +3 more | 2007-03-06 |
| 7083226 | Motor vehicle roof | Joachim Birkner, Michael Koelbl, Alexander Lang, Rudi Muttenhammer, Martin Pollak +3 more | 2006-08-01 |