87678837
Nov 9, 2017
May 14, 2019
NORTHROP GRUMMAN SYSTEMS CORPORATION
Active Trademark
Silicon carbide for use as a raw material in the manufacture of other goods; silicon carbide for use in the manufacturing of goods used in the field of optics
ChemicalsScientific and technical apparatus, namely, mounting devices and brackets made from silicon carbide for optical devices; scientific and technical apparatus, namely, optical mirrors; optical shutters; optical reflectors; optical glasses; optical lenses; optical sensors
Electrical and Scientific Apparatus