Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325293 | Tire sun shield | — | 2025-06-10 |
| 10669162 | Portable self-contained water filter apparatus | — | 2020-06-02 |
| 9272396 | Water softener filter wrench system | — | 2016-03-01 |
| D644897 | Water-softener filter wrench | — | 2011-09-13 |
| 5633002 | Implantable, biodegradable system for releasing active substance | Gunther Entenmann, Otto Kern, Michel Mikhail, Bernd Zierenberg | 1997-05-27 |
| 5302693 | Process for preparing poly-D,L-lactide and the use thereof as a carrier for active substances | Dieter Bendix | 1994-04-12 |
| 4578264 | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Bernhard Freund, Heribert Harwalik, Karl L. Rominger, Siegfried Darda, Volkmar Haselbarth +5 more | 1986-03-25 |
| 4459279 | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Bernhard Freund, Heribert Harwalik, Karl L. Rominger, Siegfried Darda, Volkmar Haselbarth +5 more | 1984-07-10 |
| 4409206 | Transdermal release system for pharmaceutical preparation | — | 1983-10-11 |
| 4367217 | Dipyricamole sustained release forms comprising lacquer-coated particles and the preparation thereof | Peter Gruber, Rolf-Stefan Brickl, Gerhard Bozler | 1983-01-04 |
| 4361546 | Retard form of pharmaceuticals with insoluble porous diffusion coatings | Bernhard Freund, Heribert Harwalik, Karl L. Rominger, Siegfried Darda, Volkmar Haselbarth +5 more | 1982-11-30 |