This American marque was associated with a three-wheeled kit car developed by Bob Keyes, initially based in Sunnyvale, California, with later operations linked to San Jose and Santa Rosa, California. The original vehicle, known as…
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![Hall [7]](/img/brands/h/united-states-hall-7_001.jpg?w=720&h=405)
![Matrix [2]](/img/models/c/matrix-2-cl-3.jpg?w=720&h=405)
