ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,634, issued on May 13, was assigned to Lavelle Industries Inc. (Burlington, Wis.).
"Adjustable toilet flapper valve assembly" was invented by Dominic Cimarosti (Sheboygan, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toilet flapper valve assembly is provided. The flapper valve assembly has a flapper, cone and an adjustment dial. The adjustment dial controls the flow of water into and flow of air out of the cone. Adjustment of the adjustment dial relative to the cone simultaneously adjusts the flow of water into and air out of the cone."
The patent was filed on Jan. 13, 2021, under Application No. 17/147,792.
*For further information, incl...