Nonmetallic building materials Trademarks Filed in June 20, 1963
DURO-KRETE
Filed: June 20, 1963
COMPOUND FOR REPAIRING AND RESURFACING FLOORS, PARTICULARLY CEMENT FLOORS
Owned by: COLONIAL REFINING AND CHEMICAL COMPANY
Serial Number: 72171428
HYDRAFLO
Filed: June 20, 1963
CLAY
Owned by: J. M. HUBER CORPORATION
Serial Number: 72171450