Nonmetallic building materials Trademarks Filed in February 20, 1922
IVORY
Filed: February 20, 1922
Calcined Gypsum, Plaster of Paris, Wall Plaster, Cement Plaster, Finishing Plaster, and Keene's Cement
Owned by: UNITED STATES GYPSUM COMPANY
Serial Number: 71159632
CHAMPION
Filed: February 20, 1922
[Calcined Gypsum, Plaster of Paris,] Wall Plaster [, Gauging Plaster]
Owned by: United States Gypsum Company
Serial Number: 71159633
IMPERIAL
Filed: February 20, 1922
Calcined Gypsum, Plaster of Paris, Wall Plaster, [ Cement Plaster ], and Finishing Plaster
Owned by: United States Gypsum Company
Serial Number: 71159635