Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207742 | Water-based marker material | — | 2001-03-27 |
| 5684165 | Substituted thieno3,2b!thiophenes and their use | Ivan Cabrera, Uwe Falk, Werner Hickel, Donald Lupo, Ude Scheunemann +1 more | 1997-11-04 |
| 5563298 | Stilbene-based materials, their preparation and use | Hans-Peter Weitzel, Horst Leigeber, Jobst Leupold | 1996-10-08 |
| 5544972 | Method and apparatus for applying horizontal markings to roads or other traffic areas | — | 1996-08-13 |
| 5432286 | Substituted thieno[3,2-b]thiophenes and their use | Ivan Cabrera, Uwe Falk, Werner Hickel, Donald Lupo, Ude Scheunemann +1 more | 1995-07-11 |