U.S. federal trademark · Serial No. 99542600
Anthracite; none of the foregoing for use in well-drilling applications
Modified carbonaceous precursor materials for industrial purposes; modified carbonaceous precursor materials for use in the manufacture of synthetic graphite; carbonaceous precursor materials derived from anthracite for industrial purposes; none of the foregoing for use in well-drilling applications
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.