Nonmetallic building materials Trademarks Filed in May 1, 1969
UNIT STEP
Filed: May 1, 1969
PRE-FORMED CONCRETE STEP UNITS
Owned by: UNIT STEP FORM COMPANY, INC.
Serial Number: 72326053
DIMENSION-WALL
Filed: May 1, 1969
PERIMETER AND PARTITION WALL STRUCTURES AND MODULAR ASSEMBLIES
Owned by: FLANGEKLAMP CORPORATION
Serial Number: 72326088
UNIT STEP
Filed: May 1, 1969
PRE-FORMED CONCRETE STEP UNITS
Owned by: UNIT STEP FORM COMPANY, INC.
Serial Number: 72326150
