Nonmetallic building materials Trademarks Filed in April 7, 1967
ECONAFIBER
Filed: April 7, 1967
CEILING TILE
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72268609
ECONATONE
Filed: April 7, 1967
CEILING TILE
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72268610
TONICO
Filed: April 7, 1967
ACOUSTICAL TILE
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72268611