ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,000, issued on July 1, was assigned to SICPA HOLDING SA (Prilly, Switzerland).

"Cartridge lid, 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 with respect to the external pressure after ink filling, in particular due to possible air bubbles trapped in the in the ink reservoir. The pre...