ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,153, issued on Jan. 13, was assigned to J. J. Keller & Associates Inc. (Neenah, Wis.).
"Flip placard" was invented by Jason J. Kreidler (Sheboygan, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flip placard for reducing placard fluttering including a base, a hinge on the base, a plurality of placards having an aperture therein to be mountable about and movable relative to the hinge and a biasing member positioned between the base and the placards for pushing the placards away from the base. The biasing member pushes the placards upward away from the base and toward an exterior portion of the hinge thus providing a force to hold the placards ...