Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428026 | Staggered independent suspension | — | 2002-08-06 |
| 5860704 | Furniture construction with rigid foldable material | — | 1999-01-19 |
| 5839750 | Leaf spring wheel suspension system | — | 1998-11-24 |
| D399660 | Armless fibreboard chair | — | 1998-10-20 |
| D399661 | Fibreboard chair with arms | — | 1998-10-20 |
| D395557 | Armless fibreboard chair | — | 1998-06-30 |
| D392470 | Fibreboard chair with arms | — | 1998-03-24 |
| 4878691 | Trailer suspension apparatus | Herbert Cooper, Josef P. de Fazekas | 1989-11-07 |