Hedy Lamarr's patent

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Patent # 2,292,387 for a "Secret Communication System," granted to actress Hedy Kiesler Markey. At the time it was filed, in 1941, Lamarr was married to Gene Markey, a Hollywood screenwriter. She felt that having her married name on the patent would give it more credibility. This system could have inspired the scientists and engineers who developed GPS.