U.S. federal trademark · Serial No. 87028205
Stirling engines and parts therefor; free piston stirling engines; biomass fired Stirling free piston engines; Stirling free piston engines incorporated into a unit to drive a compressor; Stirling free piston engines incorporated into a unit to drive a linear alternator
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.