Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687513 | Dynamic workspace module | Mark A. Baloga, Paul Brian Siebert, Marvin LaLone, David J. Luzenske, Michael E. Tingley +2 more | 1997-11-18 |
| 5651219 | Dynamic workspace module | Mark A. Baloga, Paul Brian Siebert, Marvin La Lone, David J. Luzenske, Michael E. Tingley +2 more | 1997-07-29 |
| 5452547 | Dynamic workspace module | Mark A. Baloga, Paul Brian Siebert, Marvin LaLone, David J. Luzenske, Michael E. Tingley +2 more | 1995-09-26 |
| 5282341 | Dynamic workspace module | Mark A. Baloga, Paul Brian Siebert, Marvin LaLone, David J. Luzenske, Michael E. Tingley +2 more | 1994-02-01 |
| 4494795 | Variable back adjuster for chairs | Charles P. Roossien, Bruce A. Hiemstra | 1985-01-22 |