Charles M. Keller was the first person to hold the official title of patent examiner, becoming one on July 5, 1836, the day after the Patent Act of 1836 was signed into law. The Act required examination of all patents before they could be granted.
Charles M. Keller was the first person to hold the official title of patent examiner, becoming one on July 5, 1836, the day after the Patent Act of 1836 was signed into law. The Act required examination of all patents before they could be granted.