Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8960796 | Back construction | John F. Aldrich, Ryan S. Brill, Elindo G. Castro, Jr., Christopher C. Hill, James D. Slagh +2 more | 2015-02-24 |
| 7922248 | Seating structure and methods for the use thereof | John F. Aldrich, Ryan S. Brill, Elindo G. Castro, Jr., Christopher C. Hill, James D. Slagh +2 more | 2011-04-12 |
| 6422652 | Height adjusting mechanism | Richard N. Roslund, Jr. | 2002-07-23 |
| 6361110 | Tilt control for chair | Richard N. Roslund, Jr., Patrick Nelson, Larry A. Wilkerson, Joel Dral, Steve Simpson +1 more | 2002-03-26 |
| 6286900 | Tilt control for chair | — | 2001-09-11 |
| 6015187 | Tilt control for chair | Richard N. Roslund, Jr., Patrick Nelson, Larry A. Wilkerson, Joel Dral, Steve Simpson +1 more | 2000-01-18 |