Nonmetallic building materials Trademarks Filed in February 16, 1922
SHEETROCK

SHEETROCK

Filed: February 16, 1922
CALCINED GYPSUM, PLASTER OF PARIS, WALL PLASTER, AND FINISHING PLASTER.
Serial Number: 71159441

ELDORADO

ELDORADO

Filed: February 16, 1922
Calcined Gypsum, Plaster of Paris, Wall Plaster
Owned by: UNITED STATES GYPSUM COMPANY
Serial Number: 71159448