ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,714, issued on Aug. 25.
"Tubular sign frame" was invented by Daniel Rivera (Apache Junction, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultra lightweight tubular sign frame entirely made from polyvinyl chloride otherwise known as PVC. This material is very strong, yet extremely lightweight. Tubular sign frame is comprised of hollow tubing and hollow fittings that can be assembled by hand in just minutes. It's an upright design and completely free standing allowing it to be easily transported in a vehicle or stored in a garage. Tubular sign frame is designed to hold, exhibit and display two dual sided, double stacked separate sign boards...