Counter rotating light twins?

-Seminole, Seneca, Navajo CR, Chieftain, Twin Comanche CR
-Cessna 303 (IIRC...), Skymaster (though you have to turn an engine around to do it)
-Cougar
-Duchess
-700P Aerostar (IIRC...)...and that was outthrust.

That's all I can think of that counter-rotate.

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