Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7713397 | Method for the production of a metal membrane filter | Dobri Dobrev, Johann Vetter, Reinhard Neumann | 2010-05-11 |
| 6923651 | Sheet material having metal points and method for the production thereof | Dobri Dobrev, Reinhard Neumann, Johann Vetter | 2005-08-02 |
| 5911863 | Method of manufacturing plastic foils which are electrically conductive in one direction but insulating in other directions | Johann Vetter, Dobri Dobrev | 1999-06-15 |