ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,436, issued on Sept. 23, was assigned to Sleep Number Corp. (Minneapolis).
"Multi-air chamber mattress with localized support" was invented by Kody Lee Karschnik (Plymouth, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are mattresses with localized air chamber support. A mattress can include a first air chamber positioned at a shoulder region, a second air chamber positioned at a hip region and fluidly connected to the first air chamber, and a foam insert positioned between the air chambers. The air chambers can share a common internal pressure. Decreasing the common internal pressure in the air chambers can cause the foam i...