90695784
May 7, 2021
Nov 8, 2022
Active Trademark
Optics and accessories and components of optics, namely, reflective and transparent optical materials in the nature of optical mirrors and chromatic, acromatic, apochromatic, singlet, doublet, multi-, Risley, Fresnel, liquid, and rotated nodal optical lenses, prisms for optics purposes, and optical wedges
Electrical and Scientific Apparatus