Purell is a 1996 creation of 'GOJO', and is licensed to Johnson & Johnson. In 1988, GOJO® industries invented Purell® instant hand sanitizer. It was designed for use in food-service as part of...
There were many, many people involved as the technology evolved from an opto-mechanical device to one entirely electronic from the 1870s through the 1920s. In 1925, John Logie Baird made the world's...