ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,764, issued on March 31.
"Collapsible stadium chair" was invented by Laurence Lougee (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A collapsible stadium seat with a seat member that defines a base plane, and seat membrane support members. A seat membrane is coupled to and spans the space between the seat membrane support members to define a user seating surface. The seat membrane is angled backward such that its front portion is farther from the base plane than is its back portion. There is also a cantilevered back that is pivotably coupled to the seat member and includes first and second spaced back support members. A back membrane...