ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,752, issued on June 3, was assigned to Ventana Medical Systems Inc. (Tucson, Ariz.).

"System level calibration" was invented by Karl Garsha (Sahuarita, Ariz.) and Dustin Harshman (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems and methods of calibrating a microscope or an imaging system prior to acquiring image data of a sample. In some embodiments, a method is disclosed including the steps of (a) running a power output calibration module to calibrate an imaging apparatus for repeatability; (b) running an image intensity calibration module to calibrate the imaging apparatus for reproducibility and to mitigat...