Chemicals Trademarks Filed in April 1, 1943
BLACK-MAGIC
Filed: April 1, 1943
Compounds for Use in Aqueous Solutions to Darken Metal Surfaces
Owned by: Hubbard-Hall Inc.
Serial Number: 71459571
Image Trademark
Filed: April 1, 1943
SALTS FOR USE IN MOLTEN STATE TO DARKEN METAL SURFACES
Owned by: MITCHELL-BRADFORD CHEMICAL COMPANY
Serial Number: 71459572
