Mark Identification
ETCHDEFENDER
Serial Number
90328210
Filing Date
Nov 18, 2020
Registration Date
Nov 2, 2021
Trademark by
Active Trademark
Classification Information
Tantalum oxide quartz coating sold as an integral part of components used in semiconductor reactors, namely, thermocouples; Tantalum oxide quartz coating sold as an integral component of ultra-high vacuum chambers used as electric semiconductor reactors
Electrical and Scientific Apparatus