Resources

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U.S. Patent 9681358, June 13, 2017 Link

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U.S. Patent 9913200, March 6, 2018 Link

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U.S. Patent 10341937, July 2, 2019 Link

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U.S. Patent 20170374603, December 28, 2017 Link

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U.S. Patent 20180302839, October 18, 2018 Link

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U.S. Patent 20190373532, December 5, 2019 Link