I hadn't realized that Tesla had anything to do with logic gates, so I looked it up and found this patent: http://www.google.com/patents?vid=613809 http://www.g

I hadn't realized that Tesla had anything to do with logic gates, so I looked it up and found this patent: http://www.google.com/patents?vid=613809 http://www.google.com/patents?vid=613809 However, I'll admit that the prose is too Victorian and patent-y for me to decipher where he actually describes an AND gate.