Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335219 | Process for reacting isocyanates in the presence of quaternary ammonium zwitterions | Donald H. Clarke, Donald L. Schmidt | 1982-06-15 |
GP
George J. Pomranky
Overall (1982): #63,093 of 81,411Top 80%
1
Patents 1982