U.S. federal trademark · Serial No. 76002490 · Reg. No. 2616437
Plastic based cylinders used in drilling oil and gas wells, namely, a drillable anti-rotation device used in cementing operations to prevent or otherwise retard the rotation of elastomeric cement plugs during the drilling of such cylinders and plugs
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.