ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,699, issued on June 9, was assigned to SWITCH BIOWORKS INC. (San Carlos, Calif.).

"Phosphate sensing microbial gene switch" was invented by Caroline Kukolj (Redwood City, Calif.), Tim Schnabel (Menlo Park, Calif.), Timothy Lyndon Haskett (Menlo Park, Calif.), Gregory Alexander Knauf (San Mateo, Calif.), Tomasz Zajkowski (Warsaw, Poland), Elizabeth Leigh Ordeman (Palo Alto, Calif.), Niklaus Hoyt Evitt (New Haven, Conn.), James Pearce (La Jolla, Calif.), Sandipan Samaddar (Redwood City, Calif.), Daniel Torres Naylor (San Mateo, Calif.), Hsiao-Han Lin (San Carlos, Calif.) and Alexis Makena Chun (San Bruno, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Of...