Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4269943 | Thermally stable resins prepared by bromination or chlorination of aromatic polymer beads followed by sulphonation | — | 1981-05-26 |
CC
Charles R. Costin
Overall (All Time): #4,090,292 of 4,157,543Top 100%
1
Patents All Time