Nonmetallic building materials Trademarks Filed in June 9, 1924
AMBLUCO
Filed: June 9, 1924
BLUE STONE TREADS, STAIR LANDINGS, SLABS USED TO FORM FLOORING, AND WALL BASES
Owned by: AMERICAN BLUE STONE CO.
Serial Number: 71198277
ETERNIT
Filed: June 9, 1924
ASBESTOS SHINGLES
Owned by: ETERNIT, SOCIETE ANONYME
Serial Number: 71198278
