U.S. federal trademark · Serial No. 74284994 · Reg. No. 1767288
thin wall NMR (nuclear magnetic resonance) sample tubes with 5 millimeters, 10 millimeters and 20 millimeters outside diameters containing a graduation denotation on the outside of the tube
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.