US Patent Issued to Hand Held Products on Oct. 21 for "Apparatuses, systems, and methods for sample testing" (Texas, North Carolina, New Jersey Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,356, issued on Oct. 21, was assigned to Hand Held Products Inc. (Charlotte, N.C.).

"Apparatuses, systems, and methods for sample testing" was invented by Chen Feng (Mount Laurel, N.J.), Suresh Venkatarayalu (Waxhaw, N.C.) and Robert Timothy Kester (Friendswood, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatuses, and systems associated with a sample testing device are provided. For example, an example sample testing device may include a substrate layer defining a bottom surface of the sample testing device, as well as a waveguide disposed on the substrate layer and includes at least one reference channel and at least one sample...