U.S. federal trademark · Serial No. 75326193 · Reg. No. 447462
distillation columns, rectification columns, absorption columns, desorption columns, extraction columns and separation columns as well as parts thereof; columns with trays, downcomers and devices for the distribution and/or mixing of liquids and gases
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.