Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D607526 | Golf practice device | Robertus C. S. Hofwegen | 2010-01-05 |
| D364985 | Convertible cushion | Vital van der Horst | 1995-12-12 |
| D358054 | Convertible cushion | Vital van der Horst | 1995-05-09 |