U.S. federal trademark · Serial No. 97271700 · Reg. No. 7083790
Lubrication concentrate for tunnel boring machines that are used in sandy and silty conditions for lubricating the cutting face
Sandy and silty ground conditioning concentrate for stabilizing and improving muck stability that is used in connection with tunnel boring machines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.