ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,291, issued on June 17, was assigned to WONDERLAND SWITZERLAND AG (Steinhausen, Switzerland).
"Height adjustable child's chair" was invented by Zachary C. Hartenstine (Birdsboro, Pa.) and Curtis M. Hartenstine (Birdsboro, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one example, a highchair has a seat and a base. The base is attached to the seat such that, when the base is disposed on a surface, the base supports the seat above the surface. The base has a plurality of legs that are rotatable so as to transition the highchair between a raised position and a lowered position. In the raised position, the seat is disposed at a first height and ...