ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,704, issued on May 6, was assigned to Charm Sciences Inc. (Lawrence, Mass.).
"Universal test device, assembly, and method" was invented by Robert Salter (Reading, Mass.), Paul Graham (Dracut, Mass.), Jeffrey Verrette (Haverhill, Mass.) and Richard T Skiffington (North Reading, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Reader and plate methods, operations, and systems for observing a biological sample are shown and described. In one embodiment, a device for observing biological growth, when present, on a growth plate, includes an imaging device and a variable positioning nest. The nest may include a first sunken frame to receive a first gr...