Chemicals Trademarks Filed in March 9, 1962
HERCULON
Filed: March 9, 1962
Polypropylene Olefin Fiber
Owned by: Hercules Incorporated
Serial Number: 72139491
ECONOCOAL
Filed: March 9, 1962
Carbonaceous Additive for Foundry Sand
Owned by: HILL & GRIFFITH COMPANY, THE
Serial Number: 72139492
