Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357281 | Alkylated biphenylyl phenyl ether sulfonates | — | 1982-11-02 |
PH
Paul E. Hinkamp
Overall (1982): #39,689 of 81,411Top 50%
1
Patents 1982