Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691289 | Cleaning compositions and methods of using the same | Karen Purcell, Charles L. Hawes, Gerald E. La Cosse | 1997-11-25 |
| 5662998 | Oven pretreatment and cleaning film containing silicone | — | 1997-09-02 |