Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254239 | Biodegradable vinylpyrrolidone polymers, their manufacture and use | Ferdinand Straub, Hans-Uwe Schenck, Siegfried Lang | 1981-03-03 |
EB
Egon Brode
Overall (All Time): #4,084,960 of 4,157,543Top 100%
1
Patents All Time