U.S. federal trademark · Serial No. 86901931 · Reg. No. 5192393
Downhole tools having tension-sensing devices for use when lowering, raising, and operating a tool string in a well, namely, for sensing tension applied to the tool string by wireline cabling extending from the well surface
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.