Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698513 | Urea-based solid cleaning compositions free from or containing minor amounts of water | Rhonda K. Schulz, Helen B. Bailly | 1997-12-16 |
| 5674831 | Method of making urea-based solid cleaning compositions | Rhonda K. Schulz, Helen B. Bailly | 1997-10-07 |