Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801544 | Method of improving the storage life of liquid compositions containing enzymes | — | 1989-01-31 |
| 4648987 | Thickened aqueous prewash composition | William L. Smith | 1987-03-10 |
| 4407231 | Movement activated odor control animal litter | David W. Colborn, Thomas S. Coyne, Carolyn P. Emrie | 1983-10-04 |