Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4439015 | Disubstituted ethanes | Alois Villiger, Erich Widmer | 1984-03-27 |
RR
Roland Rich
Overall (All Time): #4,031,701 of 4,157,543Top 100%
1
Patents All Time