Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9907404 | Convertible sofa | Jess Allen Sorel, David E. Simon, Jon H. LeFors, Howard W. Kaney | 2018-03-06 |
| 7874620 | Health care chair | Brett Kooistra, Benjamin Edinger, David J. Ritch, Mark Saffell, David E. Simon +1 more | 2011-01-25 |