ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,435, issued on July 21, was assigned to STRATEC SE (Birkenfeld, Germany).

"Calibration and monitoring tool for thermocycler" was invented by Ruediger Retzlaff (Birkenfeld, Germany) and Bernd Groehbuehl (Birkenfeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for measuring a temperature, comprising a circular printed circuit board comprising a circular inner material comprising a controller, a power supply and a transmitter, and an outer material which is arranged radially around the circular inner material; and at least one thermal sensor which is arranged at the outer material of the circular printed circuit board."

The patent ...