Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378152 | Mattress structure | Robyn P. Washburn, Ryan A. Reeder, Ares Marasligiller, James R. Stolpmann, Roger D. Dalton +2 more | 2002-04-30 |
| 5815865 | Mattress structure | Robyn P. Washburn, Ryan A. Reeder, Ares Marasligiller, James R. Stolpmann, Roger D. Dalton +2 more | 1998-10-06 |