ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,928, issued on Jan. 27, was assigned to J. J. Keller & Associates Inc. (Neenah, Wis.).
"Flip placard" was invented by Jason J. Kreidler (Sheboygan, Wis.), Robert Larsen (Appleton, Wis.) and Cory B Christofferson (Cloquet, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flip placard includes a base, a hinge, a plurality of placards and two securing clips. The placards each have an aperture therein to be mountable about and movable relative to the hinge. Each placards has a first edge mountable to the hinge and a second edge having a variably located cutout portion defining a tab with indicia thereon. The securing clips have a first position en...