『Meet Marie Van Britton Brown: Inventor of the Home Security System』のカバーアート

Meet Marie Van Britton Brown: Inventor of the Home Security System

Meet Marie Van Britton Brown: Inventor of the Home Security System

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Patent Attorney Shontavia Johnson shares how Marie Van Britton Brown's groundbreaking invention of the home security system in the 1960s paved the way for modern surveillance and two-way communication technologies still vital today.


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