ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,281, issued on May 27, was assigned to Rahul Patel (Los Angeles).
"Stackable block" was invented by Rahul Patel (Los Angeles).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stackable block, comprising: a wall having an inner surface and an outer surface, the wall comprising a strip of material having a first end and a second end with a plurality of transverse fold lines spaced there between, the wall configured to define a structure having an upper perimeter and a lower perimeter, wherein the structure is formed by the strip being folded about the transverse fold lines and the first and second ends being connected together, and wherein at least a p...