ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,981, issued on April 7.
"Removable sled assembly for portable shelter" was invented by Nate Magnuson (Houlton, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various systems are directed to a removable sled assembly for a portable shelter having a frame, the sled assembly generally including a runner and an attachment member that includes a support member extending upwardly from the upper surface of the runner, and a bracket configured to removably engage the frame of the portable shelter, wherein the bracket is coupled with the support member via a hinge that allows the bracket and runner to rotate relative to each other about a pivot axis."
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