Nonmetallic building materials Trademarks Filed in April 7, 1967
ECONAFIBER

ECONAFIBER

Filed: April 7, 1967
CEILING TILE
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72268609

ECONATONE

ECONATONE

Filed: April 7, 1967
CEILING TILE
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72268610

TONICO

TONICO

Filed: April 7, 1967
ACOUSTICAL TILE
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72268611