73206839
Mar 12, 1979
Dec 9, 1980
HARBISONWALKER INTERNATIONAL INC.
Active Trademark
Refractory Bricks, Refractory Blocks, Refractory Special Shapes of Nonstandard Size and/or Shape, Refractory Patches, Refractory Ramming Mixes, Refractory Cements, Refractory Castables and Refractory Plastics, for Use in Constructing Furnace Linings
Environmental Control Apparatus