Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726572 | Spring coil and spring assembly | Keith A. Flesher | 1988-02-23 |
| 4669302 | Deflection and topography assessment mechanism anthropomorphically natural | Jack L. Lewis | 1987-06-02 |
| 4535978 | Coil spring and spring assembly | — | 1985-08-20 |
| 4388738 | Mattress construction and mattress cover therein | — | 1983-06-21 |