Insul Block Corp. Trademarks
INSUL BLOC TB/D
Filed: January 17, 1979
Plastic Inserts for Insertion into Building Blocks of Cementitious Material
Owned by: Insul Block Corp.
Serial Number: 73200342
POLY CORE
Filed: May 23, 1986
PLASTIC INSULATION INSERTS FOR USE IN CEMENT BUILDING BLOCKS
Owned by: Insul Block Corp.
Serial Number: 73600421
