U.S. federal trademark · Serial No. 73279415 · Reg. No. 149
Porous Concrete Made of Crushed Porphyry and Gravel Bonded with Artificial Cement and Coloring Emulsions Therefor for the Building of Tennis Courts and Other Sporting Surfaces
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.