US Patent Issued to Guala Dispensing on Feb. 10 for "Trigger dispensing device with means to avoid the loss of product" (Italian Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,780, issued on Feb. 10, was assigned to Guala Dispensing S.P.A. (Spinetta Marengo, Italy).

"Trigger dispensing device with means to avoid the loss of product" was invented by Riccardo Alluigi (Alessandria, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trigger dispensing head applicable to a bottle of a trigger dispensing device is provided. The trigger dispensing head has a cylinder chamber, a main vent passageway, a sleeve, a secondary vent passageway, an axially slidable piston, a suction duct, and a dispensing duct. The sleeve is rotatable by a user between an angular working position in which the main vent passageway is in fluid communi...