The aerosol spray can was first put to good use in 1941 to deploy small amounts of pesticides by the American troops stationed in insect-infested areas. Despite the potential usefulness, it was largely undeveloped for no apparent reason (studies concerning the dangers of CFCs and Volatile Organic Compounds in aerosol cans started decades after the invention). The first patent for the aerosol spray can was granted in 1927 to a Norwegian engineer named Erik Rotheim. ![]() Also, be sure to check out our top 100 inventors list. With that said, here are 101 inventions that changed the world and improved the lives of billions of people all around the globe. ![]() In just a period of 100 years, humans have seen, experienced, and witnessed plenty of changes in how we do things. It’s amazing what we can accomplish in a century.
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