U.S. federal trademark · Serial No. 72121382 · Reg. No. 0741255
Oil Well Logging and Service Apparatus and Systems, Including Radioactivity, Temperature, Density, Electrical, Flowmeter, Tracer, and Collar Locator Logging Apparatus and Systems
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.