Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992240 | Mattress with pivoting member attached to adjustable bed frame | — | 2011-08-09 |
| D621197 | Mattress | Corey Westerman | 2010-08-10 |
| 7748066 | Mattress center ridge compensator | — | 2010-07-06 |
| 7690096 | Method of manufacturing an aged mattress assembly | Michael S. DeFranks, Ronald M. Herrington, Hui-Feng Yang | 2010-04-06 |
| 7624464 | Titanium mattress member | Robert Hellyer | 2009-12-01 |
| 7581271 | Low-profile mattress | Timothy Oakhill, Don Hofmann | 2009-09-01 |
| 7574763 | Perimeter stiffening system for a foam mattress | Kevin Damewood | 2009-08-18 |
| 7444706 | Bed construction with reduced sagging | Kurtis A. Ling, Douglass D. Kinde | 2008-11-04 |
| 7424763 | Channel-cut cushion supports | — | 2008-09-16 |
| 7219381 | Perimeter stiffening system for a foam mattress | Kevin Damewood | 2007-05-22 |
| 7174613 | Method for manufacturing a foam core having channel cuts | Michael S. DeFranks, Neal Charles Van Patten | 2007-02-13 |
| 7168117 | Multi-stranded coil spring | Bernhard W. Kuchel | 2007-01-30 |
| 7096528 | Bed construction with reduced sagging | Kurtis A. Ling, Douglass D. Kinde | 2006-08-29 |
| 7047581 | Stranded mattress spring | — | 2006-05-23 |
| 7036173 | Channel-cut cushion supports | — | 2006-05-02 |
| 7017205 | Plastic mattress foundation | — | 2006-03-28 |
| D517844 | Plastic mattress foundation drawer | — | 2006-03-28 |
| 6983499 | Adjustable bed shields | — | 2006-01-10 |
| 6944899 | Stranded mattress spring | — | 2005-09-20 |
| 6901618 | Low profile mattress | Timothy Oakhill, Don Hoffman | 2005-06-07 |
| 6799344 | Titanium mattress member | Robert Hellyer | 2004-10-05 |
| 6687929 | Box spring corner guard | Michael S. DeFranks | 2004-02-10 |
| 6493887 | Box spring corner guard | Michael S. DeFranks | 2002-12-17 |