Nonmetallic building materials Trademarks Filed in May 19, 1976
GRASSTONE
Filed: May 19, 1976
CONCRETE PAVING BLOCKS HAVING SERIES OF VERTICALLY EXTENDING HOLES EXTENDING THERETHROUGH
Owned by: FORSCHUNGSGRUPPE FUR BAUTECHNOLOGIE AG/CONSTRUCTION TECHNOLOGY RESEARCH GROUP LTD.
Serial Number: 73087656
MICRO-CRETE
Filed: May 19, 1976
ACID-RESISTANT CEMENT
Owned by: MICRO CHEMICAL INDUSTRIES, INC.
Serial Number: 73087702
