Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8201505 | Counterbalance apparatus | — | 2012-06-19 |
| 7334837 | Modular multi-functional portable seating device | — | 2008-02-26 |
| 6584917 | Device for controlling the rotation of a shaft | — | 2003-07-01 |
| 6484648 | Adjustment mechanism for workstation | — | 2002-11-26 |
| 6378446 | Counterbalance apparatus | — | 2002-04-30 |
| 6289825 | Adjustment mechanism for workstation | — | 2001-09-18 |
| 6053486 | Damping cylinder | Franklin M. Schuitema | 2000-04-25 |
| 6026755 | Counterbalance apparatus | — | 2000-02-22 |
| 5718406 | Counterbalance apparatus | — | 1998-02-17 |
| 4637177 | Modular unit adapted for office use | — | 1987-01-20 |
| 4569163 | Modular unit adapted for medical use | — | 1986-02-11 |
| 4511024 | Modular unit with foldable panels | — | 1985-04-16 |