Duval Corporation Trademarks
DUVAL
Filed: January 14, 1963
Potash and Sulphur
Owned by: Duval Corporation
Serial Number: 72160621
K-SUL
Filed: June 23, 1972
MINERAL COMPOSITION TO BE USED AS A FOOD SUPPLEMENT FOR USE IN ANIMAL, LIVESTOCK, AND POULTRY FEEDS
Owned by: Duval Corporation
Serial Number: 72428098
IRON-SUL
Filed: September 20, 1976
MINERAL COMPOSITION TO BE USED AS A FERTILIZER
Owned by: Duval Corporation
Serial Number: 73100374
