Staple foods Trademarks Filed in April 8, 1920
WASHBURN'S EXTRA
Filed: April 8, 1920
Wheat-Flour
Owned by: General Mills, Inc.
Serial Number: 71130866
IRON DUKE
Filed: April 8, 1920
Wheat-Flour
Owned by: GENERAL MILLS MARKETING, INC.
Serial Number: 71130868
