Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228036 | Alumina-aluminum phosphate-silica-zeolite catalyst | Harold E. Swift, John J. Stanulonis | 1980-10-14 |
| 4222896 | Magnesia-alumina-aluminum phosphate-zeolite catalyst | Harold E. Swift, John J. Stanulonis | 1980-09-16 |