U.S. federal trademark · Serial No. 78137741 · Reg. No. 2978241
optical Quartz fibers [ and optical silver halide fibers ] for transmitting optical signals used in industrial and scientific applications
light conducting quartz fibers [ and silver halide fibers ] for medical and surgical use
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.