Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9656441 | Transdermal patch | John LeDonne | 2017-05-23 |
| 5039432 | Copolymers of (meth) acrylic acid esters as flow improvers in oils | Wolfgang Ritter, Wolfgang Zoellner, Claus-Peter Herold, Stephan V. Tapavicza | 1991-08-13 |