Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6838423 | Method of stain removal from garments worn on the body | Katrien Andrea Tony Hellings, David Roy Sandbach, Jean Wevers | 2005-01-04 |
| 6644879 | Stain removal pen with optimal application device | Paul Meredith, David Roy Sandbach, Jean Wevers | 2003-11-11 |