Nonmetallic building materials Trademarks Filed in April 16, 1948
DURABLOX
Filed: April 16, 1948
CONCRETE BUILDING BLOCKS
Owned by: CLEVELAND BUILDERS SUPPLY COMPANY, THE
Serial Number: 71554768
KENCORK
Filed: April 16, 1948
FLOOR AND WALL TILE MADE OF CORK AND CORK GUM
Owned by: DAVID E. KENNEDY, INC.
Serial Number: 71554796
