Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353454 | Adjustable lumbar support for flotation systems | Charles E. Steed, Lynn D. Larson | 1994-10-11 |
| 5144707 | Flotation system including improved locking features | Charles E. Steed | 1992-09-08 |
| 4435864 | Air bed arrangement | — | 1984-03-13 |
| 4424600 | Adjustable firmness mattress pillow top | — | 1984-01-10 |
| 4423308 | Thermally controllable heating mattress | Thomas F. Stutzman | 1983-12-27 |
| 4399576 | Flotation mattress incorporating drain/fill valve | — | 1983-08-23 |
| 4389743 | Mattress arrangement having a removable side-insertable center core structure | — | 1983-06-28 |
| 4371998 | Hybrid flotation mattress having protecting, water proof liner | — | 1983-02-08 |
| 4245363 | Flotation mattress | — | 1981-01-20 |