U.S. federal trademark · Serial No. 86901723 · Reg. No. 5192391
Downhole tools having friction-reducing devices for use when lowering, raising, and operating a tool string in a well, namely, downhole conveyors comprising at least one roller to reduce friction during conveyance within the well
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.