U.S. federal trademark · Serial No. 88175544
Proppant for use in oil well and gas well hydraulic fracturing operations
Treatment of sand into still-wet proppants directly deliverable to well sites and suitable for hydraulic fracturing
Transport, delivery, packaging, and storage of hydraulic fracturing proppants
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.