ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,769, issued on April 7, was assigned to SICPA HOLDING SA (Prilly, Switzerland).
"Cartridge, ink jet print head and ink jet printer" was invented by Giovanni Morello (Baldissero Canavese, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of ink jet printing technology. The cartridges, whose ink reservoir is in communication with the external environment through a venting hole, are subject to ink leakage when the external pressure changes significantly after ink filling. The present invention provides a cartridge (37) comprising: a cartridge body (4); a cartridge lid (15); and a soft member (101) between t...