Nonmetallic building materials Trademarks Filed in February 11, 1971
BARABOARD

BARABOARD

Filed: February 11, 1971
HARDBOARD PANELS
Owned by: INTERNATIONAL PAPER COMPANY
Serial Number: 72383561

CERAMIFILTER

CERAMIFILTER

Filed: February 11, 1971
CONSTRUCTION BLOCK WHICH FILTERS LIQUIDS
Owned by: COLUMBUS CLAY MANUFACTURING COMPANY, THE
Serial Number: 72383565

CURVOFLITE

CURVOFLITE

Filed: February 11, 1971
PREFORMED CIRCULAR STAIRCASES
Owned by: T.J. WALSH & CO. INC.
Serial Number: 72383646