Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329448 | Method for producing dyed moulding materials | Herbert Gutsche, Rainer Anderlik, Norbert Kress, Bernd Brian, Petra Baierweck +3 more | 2001-12-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329448 | Method for producing dyed moulding materials | Herbert Gutsche, Rainer Anderlik, Norbert Kress, Bernd Brian, Petra Baierweck +3 more | 2001-12-11 |