Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271058 | Stable aqueous solutions of certain vinyl copolymers | Hans Trabitzsch, Achim Koschik, Hermann Plainer | 1981-06-02 |
JF
Josef Frieser
Overall (All Time): #4,090,669 of 4,157,543Top 100%
1
Patents All Time