Dyson Refractories Limited Trademarks
DYCAT CATALYSTS
Filed: April 19, 1983
Catalysts for Steam Reforming Hydrocarbons
Owned by: Dyson Refractories Limited
Serial Number: 73422298
DYGRAL
Filed: June 10, 1983
High Temperature Refractory Materials for Casting Nozzles, Metal Crucibles, Stoppers and Shrouds
Owned by: Dyson Refractories Limited
Serial Number: 73429557
