Electrical and scientific apparatus Trademarks Filed in February 14, 1910
VITREOSIL
Filed: February 14, 1910
ARTICLES OF FUSED SILICA IN THE FORM OF TUBES, PLATES, BASINS, CRUCIBLES, RINGS, CYLINDERS, MUFFLES, TRAYS, GUTTERS, RETORTS…
Owned by: HERAEUS CONAMIC UK LIMITED
Serial Number: 71047816