ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,755, issued on July 14.

"Method and device for laboratory formulation and chemical vending" was invented by Andrew A Papp (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic chemical solution formulating device combines and mixes stored solids and liquids into user specified formulations and dispenses those formulations into containers. Chemical solids are stored in cartridges of material separated into predetermined dosages (for example in reeled blister packs), avoiding the need for weighing during formulation. Elements include user interface, computer-controlled automated loading and unloading port for reagent-containing cart...