SHELL CHEMICAL COMPANY Trademarks
SHELL
Filed: April 11, 1932
SALTS OF AMMONIA FOR FERTILIZER
Owned by: SHELL CHEMICAL COMPANY
Serial Number: 71326000
ROSESTONE
Filed: October 26, 1935
CHEMICALS FOR THE TREATMENT OF IRRIGATION WATER
Owned by: SHELL CHEMICAL COMPANY
Serial Number: 71370842