ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,011, issued on Sept. 29.
"Oxygen tank flotation device" was invented by Megan Evans (Arvada, Colo.) and Theresa Evans (Arvada, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a novel oxygen tank flotation device. The device is designed to be used in a pool without worry of the oxygen tank tipping over into the water while exercising. The device comprises an injection-molded body preferably made from a urethane foam, in addition to a plastic superstructure. The body and superstructure have at least one continuous opening that receives an oxygen tank. The opening of the superstructure also comprises at least one ...