Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467844 | System tightening the seat supports of chairs | — | 2002-10-22 |
| 6322144 | Seat support for revolving chairs | — | 2001-11-27 |
| 6131996 | Seat carrier for chairs | — | 2000-10-17 |
| 5884969 | Release for a height adjustment of back rests | — | 1999-03-23 |
| 5882077 | Height adjustment of back rests | — | 1999-03-16 |
| 5882078 | Clamp adjustable-height seat-backs | — | 1999-03-16 |