ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,198, issued on Nov. 11, was assigned to ALPHAMICRON Inc. (Kent, Ohio).
"Multi-color variable transmission optical device" was invented by Pedro Soto (Kent, Ohio), Antonio Munoz (Shaker Heights, Ohio), Ludmila Sukhomlinova (Kent, Ohio) and Bahman Taheri (Shaker Heights, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-color variable transmission optical device ("MC-VTOD") includes a first cell having a first electro-optic material provided between a first pair of substrates and a second cell having a second electro-optic material provided between a second pair of substrates.The first electro-optic material can changing from a state of high...