ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,256, issued on Nov. 18, was assigned to Real Tech Holdings Inc. (Whitby, Canada).

"Apparatus for the measurement of light transmittance through a liquid sample using multiple LED light sources" was invented by James Andrew Glover (Oshawa, Canada) and Kerim Kollu (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to an apparatus for measuring the transmittance of several wavelengths of light through a liquid sample in order to measure or estimate established and novel quality parameters that are descriptive of the quality of the liquid being monitored. The apparatus comprises at least two light emitting diode (LED) modules...