Nonmetallic building materials Trademarks Filed in April 3, 1952
HELSKOTE
Filed: April 3, 1952
REFRACTORY MIXTURE FOR COATING INGOT MOULD STOOLS
Owned by: MEXICO REFRACTORIES COMPANY
Serial Number: 71627519
NATIONAL CONFERENCE OF STATE SOCIETIES, WASHINGTON, DISTRICT OF COLUMBIA
Filed: April 3, 1952
Owned by: National Conference of State Societies, Washington, District of Columbia
Serial Number: 89001634
