U.S. federal trademark · Serial No. 76301759
The "Thoinker" is a uniquely designed dashboard Voltage regulator Completely solid state electrically, it replaces the old, electro mechanical device which provides a Voltage drop from 138 Volts to 6 Volts to power the electrical instruments on certain automobiles
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.