Nonmetallic building materials Trademarks Filed in July 20, 1973
MOD-LOK
Filed: July 20, 1973
WALL UNITS COMPRISING STEEL FORMS, THERMAL INSULATION FOAM PANELS AND SPACING PLATES
Owned by: STEEL LOCK BLOCK COMPANY, INC.
Serial Number: 72463464
ACRI-FIL
Filed: July 20, 1973
GROUT FOR TILE
Owned by: TILE COUNCIL OF AMERICA, INC.
Serial Number: 72463533
