U.S. federal trademark · Serial No. 77753377 · Reg. No. 3830292
Microscope immersion oils, refractive index matching liquids, refractive index certified water, density "heavy" liquids, gem refractometer liquid, optical liquids and optical gels, all for use in industrial and scientific laboratories; diagnostic preparations for clinical or medical laboratory use; chemical agents, liquids, gels and oils for calibration of laboratory test equipment; calibrated chemical liquids used to determine the density of non-porous solids; boric acid tablets
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.