SIBELCO NORTH AMERICA, INC. Trademarks
QUINTUS
Filed: November 24, 1958
Silica of High Purity and Low Iron Content
Owned by: SIBELCO NORTH AMERICA, INC.
Serial Number: 72063060
IOTA
Filed: October 24, 1975
QUARTZ
Owned by: SIBELCO NORTH AMERICA, INC.
Serial Number: 73066900
QUARTZIL
Filed: November 16, 1988
HIGH PURITY QUARTZ FOR USE AS A FILLER AND MELTING MEDIA IN APPLICATIONS WHICH INCLUDE FILTER OPTICS, TECHNICAL AND LABORATORY…
Owned by: SIBELCO NORTH AMERICA, INC.
Serial Number: 73764021
