U.S. federal trademark · Serial No. 85021432 · Reg. No. 249807
Technical consultation and advice in the area of geological engineering services, namely, calculating rock drillability
Construction and excavation project management services in the areas of tunnel boring, blast hole drilling and underground excavation operations; and technical consultation and advice concerning excavation in the nature of tunnel boring, blast hole drilling and underground excavation
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.