THE CARBORUNDUM COMPANY Trademarks
BLASTITE
Filed: September 12, 1932
ARTIFICIAL ABRASIVE GRAINS
Owned by: THE CARBORUNDUM COMPANY
Serial Number: 71330245
PHOTO-KLEAR
Filed: July 3, 1978
FILTER CARTRIDGE FOR FILTERING PHOTOGRAPHIC DEVELOPING FLUIDS
Owned by: THE CARBORUNDUM COMPANY
Serial Number: 73176981
