Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4430247 | Process for preparing an oxyalkylated product | William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman | 1984-02-07 |
| 4187357 | Process for the preparation of polyurethane foams | William W. Levis, Jr., Louis C. Pizzini, Robert J. Hartman | 1980-02-05 |