Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367290 | Deactivatable resonance label | Philipp Müller | 1994-11-22 |
| 5349339 | Apparatus for the detection of labels employing subtraction of background signals | — | 1994-09-20 |
| 5337040 | Detection apparatus for shoplifting-preventing labels | — | 1994-08-09 |