Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5010069 | Stable liquid form of 5-aminosalicylic acid | Margaret N. Kwoka | 1991-04-23 |
| 4899398 | In-tank toilet dispenser | Richard S. Hutchings | 1990-02-13 |
| 4787984 | Cleaning composition and its method of use | Richard S. Hutchings | 1988-11-29 |
| 4597941 | Toilet cleaning article and method for codispensing disinfectant and dye having resistance to spectral degradation | Jane Gilmore, John L. Martin | 1986-07-01 |