Marie Van Brittan Brown died in Queens, New York, at the age of 76. This date marks the end of the life of an inventor whose work has had a lasting impact on home security technology.

The New York Times reported on Marie Van Brittan Brown and Albert L. Brown's invention in their weekly patents report, including a photo of the Browns. The article quoted Marie Van Brittan Brown saying that her invention would allow a woman home alone to quickly alert the authorities or prevent drug addicts from robbing a doctor's office.

The United States Patent Office granted Marie Van Brittan Brown and Albert L. Brown a patent for their home security system. This date signifies the official recognition of their invention's novelty and utility, securing their rights to the technology.

Marie Van Brittan Brown and her husband, Albert L. Brown, submitted a patent application for their invention of an audio-visual home security system. This date marks the formal step towards legally protecting their innovative design, prompted by concerns over crime rates and slow police response times in their neighborhood.

Marie Van Brittan Brown was born on October 30, 1922, in Jamaica, Queens, New York. This marks the beginning of the life of the inventor who would later contribute significantly to home security technology.