Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462832 | Less abrasive pigment or printing ink, and method of reducing abrasion caused by pigments and printing inks | Werner Jettmar, Helmut Junge | 1984-07-31 |
HO
Hans Olschner
Overall (All Time): #4,038,560 of 4,157,543Top 100%
1
Patents All Time