Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6329448 | Method for producing dyed moulding materials | Herbert Gutsche, Rainer Anderlik, Norbert Kress, Dieter Gress, Bernd Brian +3 more | 2001-12-11 | $273,000 |