1964 Patent Art for V-RROOM! Engines

Posted by V-RROOM!master V-RROOM!master
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Mattel had a few different patents on their toy motor. Here is the art from a couple of them filed within a few days of each other in 1964 for the Hot Rodder Engine and another for the V-RROOM! Booster Engine with Siren filed in 1965.