U.S. federal trademark · Serial No. 74379590 · Reg. No. 1816736
[ dielectric substrate, microwave capacitor, piezoelectric rubber sheet, piezoelectric wiring, piezoelectric buzzer, piezoelectric speaker, piezoelectric buzzer diaphragm, diaphragm element for tweeter, bimorph, ] knock sensor, temperature sensor
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.