Filed: February 21, 1990 consulting services in the field of coal usage and manufacture, namely coal cleaning, weighing, sampling, analyzing and… Owned by:CQ Inc. Serial Number:74031182
Filed: February 21, 1990 consulting services in the field of coal usage and manufacture, namely coal cleaning, weighing, sampling, analyzing and… Owned by:CQ Inc. Serial Number:74031184
Filed: February 22, 1990 computer programs for use in the coal industry and related instruction manuals sold as a unit Owned by:CQ Inc. Serial Number:74031528
Filed: January 23, 1997 fuel pellets or briquettes for the direct replacement of coal typically purchased for industrial or utility boilers and… Owned by:CQ Inc. Serial Number:75230367