Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9717274 | Smoke-free cigarette, cigar or pipe | Gabriella Egri, Heinrich Trescher | 2017-08-01 |
| 8021716 | Polyelectrolyte-encapsulated pigments | Hans Joachim Metz, Carsten Plueg, Gerald Mehltretter, Karl-Heinz Schweikart, Andreas Voigt +2 more | 2011-09-20 |