U.S. federal trademark · Serial No. 79284725 · Reg. No. 6405672
Artificial crystals, semi-wrought, in the nature of synthetic precious stones; artificial crystals, unwrought, in the nature of synthetic precious stones
Optics, namely, optical lenses and waveplates, and protective window plates being structural parts of laser oscillators, being made of crystals; crystals for optical lenses; optical crystal lenses; optical apparatus and instruments, namely, optical inspection apparatus; crystal oscillators; crystal oscillation circuits; crystal filters in the nature of radio frequency filters; prisms for optics purposes; optical lenses; lasers, not for medical purposes
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