Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7604694 | Marking liquid | Hanns Dieter Denninger, Ivan Horvat, Klaus Schroder | 2009-10-20 |
| 7365107 | Marking liquid | Hans-Dieter Denninger, Ivan Horvat, Klaus Schroder | 2008-04-29 |