Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7052520 | Article and process for cleaning fabrics | Sandra Hemmington, Neil James Parry | 2006-05-30 |
| 4904406 | Quaternary ammonium compounds for use in bleaching systems | Keith Francis, John Oakes, David William Thornthwaite | 1990-02-27 |