Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4205997 | Powdery pearlescent pigment compositions | Reiner Hesse, Manfred Kieser, Gerhard Edler | 1980-06-03 |
HP
Hans Pratzer
Overall (All Time): #4,113,120 of 4,157,543Top 100%
1
Patents All Time