U.S. federal trademark · Serial No. 73330353 · Reg. No. 1240879
Piston Rings for Internal Combustion Engines of the Reciprocating Piston Type, Pumps and Compressors of the Reciprocating Piston Type and Cylinder Sleeves for Internal Combustion Engines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.