152,645 Contributions. 1  This circuit is used in most electronic digital computers ever built & was invented in 1918 (patent GB148582). 2  Time is power of Business. 3  This circuit is used in most electronic digital computers ever built & was invented in 1918 (patent GB148582).
There were many people who had a hand in âinventingâ the vacuum cleaner. Every invention and patent has made minor improvements and has evolved into what we use today. Many people are under the assumption that H. Cecil Booth, a British engineer, was the first person to patent the vacuum cleaner in 1901.[1] The first person to patent a version of the vacuum cleaner is Daniel Hess, from West Union, Iowa, in 1860.
Thomas Alva Edison was an American inventor, scientist and a businessman who invented the first practical bulb. He got the patent for his invention in 1879 in U. S. But records tell us that Joseph Swan, a British inventor got his invention for the same patented a year prior to Edison in Britain.he first light bulb was invented in 1809 by Sir Humphry Davy. He started working on his project in 1801. He ran electric current through two platinum rods which could not stay for long.