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My mother, Marie Van Brittain Brown a black American woman, invented the first home security system; and was given a patent by the Patent and Trademark Office, of The United States of America. She never received any monetary rewards for her invention.

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βˆ™ 10y ago
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βˆ™ 13y ago

Marie. Brown was a black inventor who made a video home security system.

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Q: What are facts about Marie van brittan brown?
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