Chemicals Trademarks Filed in August 12, 1930
DUPONT
Filed: August 12, 1930
FERTILIZERS AND ACID PHOSPHATES
Owned by: E. I. DU PONT DE NEMOURS AND COMPANY
Serial Number: 71304498
DU PONT
Filed: August 12, 1930
[ CHROMIC ACID, ARSENIC ACID, ] FORMIC ACID, [ CALCIUM ARSENATE, MANGANESE ARSENATE, LEAD ARSENATE, CADMIUM CHEMICALS, ]…
Owned by: E. I. DU PONT DE NEMOURS AND COMPANY
Serial Number: 71304499
