ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,776, issued on Dec. 9, was assigned to PHILIP MORRIS PRODUCTS S.A. (Neuchatel, Switzerland).
"E-cigarette personal vaporizer" was invented by Kaveh Memari (London), Adrian Bennett (London), Ian Murison (London) and Stephen Marsh (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "A user-replaceable e-liquid reservoir for dispensing e-liquid, the reservoir being inserted into, or otherwise attached to, a portable, personal e-cigarette device and engaging with an electrical or electronic pump fluid transfer system in the device, the device including: an electrical or electronic pump, being configured to transfer e-liquid from the e-liquid reservoir ...