ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,789, issued on March 4, was assigned to Quantum Valley Ideas Laboratories (Waterloo, Canada).

"Measuring thermal radiation using vapor cell sensors" was invented by Matthias Schmidt (Waterloo, Canada), Stephanie M. Bohaichuk (Waterloo, Canada), Vijin Venu (Waterloo, Canada), Florian Christaller (Waterloo, Canada), Chang Liu (Waterloo, Canada), Pinrui Shen (Waterloo, Canada), Harald Kubler (Waterloo, Canada) and James P. Shaffer (Kitchener, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a general aspect, a radiometer is disclosed that includes a vapor cell sensor. The vapor cell sensor contains a vapor and is configured to generate an optic...