Nonmetallic building materials Trademarks Filed in October 10, 1955
WEDGE LOCK
Filed: October 10, 1955
VITRIFIED CLAY PIPE HAVING PLASTISOL JOINTS
Owned by: CLAY SEWER PIPE ASSOCIATION, INC.
Serial Number: 71696121
STUC-CRETE
Filed: October 10, 1955
CONCRETE AND MASONRY FINISHES AND PATCHING COMPOUNDS
Owned by: ROCFORM CORPORATION
Serial Number: 71696175
