Nonmetallic building materials Trademarks Filed in March 5, 1974
CERASURF

CERASURF

Filed: March 5, 1974
CERAMIC BRICK AND TILE
Owned by: COORSTEK, INC.
Serial Number: 73015013

DIASTONE

DIASTONE

Filed: March 5, 1974
BUILDING MATERIALS-NAMELY, TILES AND ARCHITECTURAL CERAMICS
Owned by: DIASTONE CORPORATION
Serial Number: 73015048