ECONACOUSTIC
Filed: May 2, 1940
Acoustical Tile
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 71431492
DETROITER
Filed: July 25, 1957
MOBILE HOMES
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72034343
WIRETITE
Filed: August 20, 1957
LATH CLIP
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72035874
SILENTEX
Filed: May 9, 1958
INSULATION AND ACOUSTICAL TILE
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72051366
SOLITUDE
Filed: September 19, 1960
Acoustical Tile
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 72104743
CATAWBA
Filed: November 30, -0001
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 73050073
AMERICAN PRESIDENT
Filed: November 30, -0001
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 73073807
MT. VERNON
Filed: May 20, 1977
WOOD FIBER CEILING TILES AND PANELS
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 73127443
CLARION
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 80984861
BIN-A-WALL
Owned by: NATIONAL GYPSUM COMPANY
Serial Number: 81040592
