Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8489413 | System and method for facilitating applications for disability benefits | Dennis LARSON | 2013-07-16 |
| 6163907 | Removable mattress top assembly | — | 2000-12-26 |
| 6112350 | Air mattress with stacked high and low pressure chambers | — | 2000-09-05 |
| 6098223 | Inner spring mattress with firmness adjusting air bladders | — | 2000-08-08 |
| 6058537 | Pressure control apparatus for air mattresses | — | 2000-05-09 |
| 6047423 | Air mattress with firmness adjusting air bladders | — | 2000-04-11 |
| 6016582 | Air support pillow top assembly | — | 2000-01-25 |
| 5948303 | Temperature control for a bed | — | 1999-09-07 |
| 5898963 | Adjustable support cervical pillow | — | 1999-05-04 |
| 5353454 | Adjustable lumbar support for flotation systems | Milton A. Callaway, Charles E. Steed | 1994-10-11 |
| 5335380 | Spring insert for cushioning insert | — | 1994-08-09 |
| 5253377 | Waterbed mattress with bellows spring insert | — | 1993-10-19 |
| 5247713 | Waterbed mattress liner tray | — | 1993-09-28 |
| 5245716 | Flotation system with liner tray | Milton C. A. Callaway, Charles E. Steed | 1993-09-21 |
| 5159725 | Waterbed mattress with bellows spring insert | — | 1992-11-03 |
| 5131104 | Water bed covering corner securement system | — | 1992-07-21 |
| 5117520 | Bed covering securement system | — | 1992-06-02 |
| 5090075 | Waterbed draining system including vacuum relief valve | — | 1992-02-25 |
| 5074001 | Waterbed mattress insulation with heat transfer holes at a greater density towards foot end of mattress | — | 1991-12-24 |
| 5060328 | Waterbed mattress with spring insert | — | 1991-10-29 |
| 5056171 | Waterbed mattress air bleeder valve | — | 1991-10-15 |
| 5022108 | Waterbed mattress with heater pad pocket | — | 1991-06-11 |
| 4575886 | Fiberous wave-dampening apparatus | — | 1986-03-18 |
| D270693 | Water bed mattress | — | 1983-09-27 |
| 4389741 | Waterbed frame assembly | — | 1983-06-28 |