ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,031, issued on Jan. 13, was assigned to META PLATFORMS TECHNOLOGIES LLC (Menlo Park, Calif.).

"Right leg drive through conductive chassis" was invented by Gene R Obie (Coupeville, Wash.) and Filipp Demenschonok (Bothell, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed biopotential measurement device may include a biopotential measurement circuit and a right leg drive ("RLD") circuit coupled to the biopotential measurement circuit. The device may also include electrodes coupled to the biopotential measurement circuit and a chassis housing the biopotential measurement circuit and the RLD circuit. The chassis may include a conductive...