ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,788, issued on Feb. 18, was assigned to S. C. JOHNSON & SON INC. (Racine, Wis.).
"Dispenser" was invented by Jerome A. Matter (Racine, Wis.) and Ronald H. Spang Jr. (Waterford, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dispenser is disclosed that includes a pump having a pump chamber that receives a fluid, a pulsation dampener, and a discharge conduit. The pulsation dampener has a dampener housing with an interior volume and a dampener housing opening. A spring biased movable piston is located in the interior volume of the pulsation dampener and defines a variable volume headspace between the piston and the dampener housing opening. The ...