U.S. federal trademark · Serial No. 77639647 · Reg. No. 3668867
Non-metal rod centralizing guide for use in subterranean oil and gas wells, whereby the guide attaches to a cylindrical rod before the rod is placed within a well bore and prevents the rod from moving sideways or wobbling within the well bore
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.