U.S. federal trademark · Serial No. 79294538 · Reg. No. 6473397
Optical fibers for guiding light, in particular for light transport and beam delivery; broadband single-mode optical fibers; large mode area optical fibers for high power handling with low nonlinear effects; optical fibers, namely, photonic crystal fibers, optical fibers, namely, photonic crystal fibers with airholes sealed at fiber ends; connectorized optical fibers; optical fibers, namely, patch cords containing such optical fibers
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