Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803118 | Marker for use in a magnetic anti-theft security system | Hartwin Weber, Ottmar Roth | 2004-10-12 |
| 6793745 | Maraging type spring steel | Hartwin Weber, Waldemar Doering | 2004-09-21 |
| 6689490 | Display element for employment in a magnetic anti-theft security system | Hartwin Weber, Ottmar Roth | 2004-02-10 |
| 6663981 | Marker for use in a magnetic anti-theft security system and method for marking the marker | Hartwin Weber, Ottmar Roth | 2003-12-16 |
| 6157301 | Marker for use in a magnetic electronic article surveillance system | Christian Radeloff, Ottmar Roth | 2000-12-05 |
| 6120617 | Method for manufacturing a magnetic pulse generator | Christian Radeloff, Gerd Rauscher | 2000-09-19 |