Aircraft parts, namely, power plants which are comprised of an aircraft engine, an aircraft propeller and components thereof

hydrogen fuel cell electric vehicles, namely, hydrogen fueled aircraft; aircraft; aircraft powered with a hydrogen propulsion electrochemical reactor; aircraft, namely, electrically powered aircraft; hydrogen fuel cell powered aircraft, namely, hydrogen fueled aircraft; structural parts for hydrogen fuel cell powered aircraft, namely, a hydrogen propulsion electrochemical reactor for aircraft; aircraft structural parts, namely, hydrogen fuel storage cells for aircraft; aircraft structural par...

Propping agents, namely, resin-coated ceramic particles for use in oil and gas well industries

Resin-coated proppants for use in the oil and gas industry