Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061778 | Adjustable arm for chair | Jay R. Machael, Jesse Hahn, John Koch, Brett Kooistra | 2011-11-22 |
| 7874620 | Health care chair | Brett Kooistra, Benjamin Edinger, David J. Ritch, Mark Saffell, Gary L. Cruce +1 more | 2011-01-25 |