U.S. federal trademark · Serial No. 71645554 · Reg. No. 0590695
OIL SOLUBLE PLUGS ADAPTED TO BE INSERTED INTO PIPE LINES TO REMOVE DEPOSITS OF PARAFFIN FROM THE INNER SURFACES OF THE PIPE LINES BY MECHANICAL ACTION AS THE PLUGS ARE CONVEYED THROUGH THE LINES
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.