Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263451 | Removing carbonaceous contaminant from zinc oxide | Fred T. Sherk | 1981-04-21 |
| 4232137 | Cooling an alpha-methylstyrene polymerization mass | Howard B. Irvin, George A. Moczygemba | 1980-11-04 |