U.S. federal trademark · Serial No. 73245050 · Reg. No. 1177967
Heating Systems Comprising a Skin Effect Heating Element in the Nature of a Hollow Conductive Tube with an Enclosed Electrical Conductor and a Source of Alternating Current for Heating Fluid Transport Pipe
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.