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A: On October 13, 1914, Garrett Morgan was granted a patent for a gas mask or "breathing device." Morgan used the mask to save people trapped in a tunnel under Lake Erie.

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What year did Garrett Morgan invent the first traffic light?

In early 1922, inventor Garrett Augustus Morgan designed a cross shaped traffic signal, for which he submitted a patent application on February 27 of that year. The patent was granted on November 20, 1923.


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Garrett A. Morgan invented the de-curling comb. He was issued a US patent for the de-curling comb in 1953.


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Garrett Augustus Morgan, Sr. is credited with having a patent for a non-electric, T-shaped pole traffic signal in 1923. Although Morgan is credited with a patent there were already numerous traffic signal systems patented and in production.


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To patent your invention with InventHelp, you can start by submitting your idea to them for evaluation. If they believe your invention is marketable, they can assist you in the patenting process by connecting you with a patent attorney and guiding you through the necessary steps to secure a patent for your invention.


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His manually operated traffic signal was patented in 1923. US Patent 1,475,024. There is no evidence it was ever manufactured or put into service.


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Patent revocation is the removal of patent protection from an invention.


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To file a patent for your invention, you need to submit a detailed application to the United States Patent and Trademark Office (USPTO). This application should include a description of your invention, drawings or diagrams, and claims that define the scope of your invention. You may also need to conduct a patent search to ensure your invention is unique. Once your application is submitted, it will be reviewed by a patent examiner, and if approved, you will be granted a patent for your invention.


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