ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,319, issued on April 22, was assigned to VIAHART LLC (Houston).
"Interlocking disc toy" was invented by Molson Hart (Houston), Dileep Prabhakaran (Thrissur, India) and Cheong Choon Ng (Novi, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An interlocking disc includes a hub with an inner circular area with an inner thickness and a circular step. A plurality of petals circumferentially spaced apart extend radially outward from the outer area of the hub. Each of the plurality of petals are disposed within a common plane and include a catch on each of side of each petal. The catch is engageable to a circular stop of another interlocking disc to inh...