ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,337, issued on Jan. 27, was assigned to MWS FABRICATION INC. (San Dimas, Calif.).
"Hardware system for touch free elevator operation" was invented by Thomas G. Wallis II (Glendora, Calif.), Antonio Marin-Lopez (Redlands, Calif.), Thomas C. Wallis (Alta Loma, Calif.) and David J. Sandoval (Anaheim, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for retrofitting an elevator system to enable voice control includes a first main board installable within an elevator adjacent to an elevator button panel and two or more additional main boards installable on respective floors adjacent to respective elevator call panels, each of the main b...