ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,059, issued on Nov. 25, was assigned to SEQUOIA OUTDOORS LLC (Aurora, Ohio).

"Tree platform system" was invented by Shawn Patrick Ferguson (Venetia, Pa.) and Nickolas Betts (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tree platform system includes a post including an upper end and a lower end disposed at opposite ends thereof; and a platform connected to the post near the lower end. The platform includes a primary portion and a secondary portion that cooperate to define a main standing surface for selective receipt of at least one associated foot of an associated user of the tree platform system. The primary portion defines a datum p...