Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414596 | Security device for electronic surveillance of articles | Richard Altwasser | 2002-07-02 |
| 6394357 | Security element for electronic article surveillance and method of manufacturing a security element | Richard Altwasser | 2002-05-28 |