Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10373407 | Access authorization system comprising at least one arrangement of a plurality of microparticles and at least one identification unit | — | 2019-08-06 |
| 6620360 | Process for producing multilayered microparticles | — | 2003-09-16 |
| 6455157 | Method for protecting and marking products by using microparticles | — | 2002-09-24 |