ALEXANDRIA, Va., July 9 -- United States Patent no. 12,356,137, issued on July 8, was assigned to Cloud Microphones LLC (Tucson, Ariz.).

"Phantom powered FET circuit for audio application" was invented by Rodger Cloud (Tucson, Ariz.) and Stephen Sank (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel phantom-powered FET (field effect transistor) circuit for audio application is disclosed. In one embodiment of the invention, a novel phantom-powered FET preamplifier gain circuit can minimize undesirable sound distortions and reduce the cost of producing a conventional preamplifier gain circuit. Moreover, in one embodiment of the invention, one or more novel rounded-edge magnets may be placed...