Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921539 | Modified pitch specially adapted to bind coal particles | Jean-Pierre Harlin, Jean-Pierre Giorgetti, Bernard Ruquier | 1990-05-01 |
RH
Robert Herment
Overall (All Time): #3,901,793 of 4,157,543Top 95%
1
Patents All Time