ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,338, issued on June 24, was assigned to Guala Dispensing S.P.A. (Alessandria, Italy).
"Dispensers for pasty products with delivery valve" was invented by Riccardo Alluigi (Alessandria, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dispenser for pasty products which has a head, a pump, an actuator, and a container tube is provided. The pump is provided with a flexible annular lip protruding out of the pump and inserted into an initial section of a dispensing tube of the head, configured to sealingly come into contact with an initial surface of the initial section to form an upper or delivery valve."
The patent was filed on Oct. 27, 2021, un...