QUARTZ & SILICE Trademarks
GERMISIL
Filed: February 9, 1956
GLASS OF VARIOUS CONSTITUENTS AND OPTICAL QUALITIES IN THE FORM OF TUBES AND OTHER SHAPES
Owned by: QUARTZ & SILICE
Serial Number: 72002379
PUROPSIL
Filed: August 2, 1973
PURE FUSED TRANSPARENT SILICA GLASS IN THE SHAPE OF MOULDED OR GROUND PIECES OF HIGH OPTICAL QUALITY USEFUL FOR THE MANUFACTURE…
Owned by: QUARTZ & SILICE
Serial Number: 72464572
FIBROPSIL
Filed: September 14, 1977
Vitreous Silica Powder All Useful in the Manufacture of Optical Fibers
Owned by: QUARTZ & SILICE
Serial Number: 73141193
