Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9933138 | Holder for multiple interchangeable light accessories | William George Kickel | 2018-04-03 |
| 9909011 | Method for coating the surface of inorganic solid particles, especially titanium dioxide pigment particles | Heiko Frahm, Joerg Friedrich, Erwin Schmeier, Lydia Drews-Nicolai, Volker Juergens | 2018-03-06 |