ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,580, issued on Jan. 13, was assigned to Advance Technology Inc. (Tigard, Ore.).
"Electronic filter and mask" was invented by Jack C. Cornelius (Tigard, Ore.) and Bryan Kelly (Lake Oswego, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Battery-powered smart electronic Air Filter Module (AFM) adapted for retention in an orifice of a face mask and adapted to be positioned in front of the user's mouth for prevention of transmission to or from the wearer of harmful particulates, bacteria, and viruses with less impediment of the wearer's breathing or speaking, comprising: an electrostatic field (EF) generator, an electromagnetic field (EMF) generator...