U.S. federal trademark · Serial No. 73682302 · Reg. No. A461467
DEVICE FOR VIEWING CAVITIES, INCLUDING SUCH DEVICES HAVING A LIGHT SOURCE FOR ILLUMINATING A CAVITY AND/OR HAVING A MAGNIFIER FOR MAGNIFYING THE MATTER UNDER VIEW, OPTHALMOSCOPES, AND CAVITY VIEWING DEVICES WHICH ARE ATTACHABLE TO SPECTACLE FRAMES
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