U.S. federal trademark · Serial No. 78348005
Architectural windows; [Architectural window products (Windows, Skylights, Interior Partitions, etc) that incorporate Suspended Particle Device (SPD) light-valve technology; Suspended particle devices (SPDs) - electrically operated light-control devices using proprietary particle suspensions and films, SPD technology allows you to instantly and precisely control how clear or dark glass or plastic is, and adjust its light transmission by either turning a knob to control the applied voltage or having the device automatically adjust itself by means of a photocell or other sensing or control device;]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.