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Throughout the 20th century, Edison was the world's most prolific inventor. At the beginning of the century, he held 736 U.S. patents. His final count was 1,093 U.S. patents, including 1084 utility patents (patents for inventions) and 9 artistic design patents. It was not until June 17, 2003 that he was passed by Japanese inventor Shunpei ...
Historian Thomas Hughes (1977) describes the features of Edison's method. In summary, they are: Hughes says, "In formulating problem-solving ideas, he was inventing; in developing inventions, his approach was akin to engineering; and in looking after financing and manufacturing and other post-invention and development activities, he was innovating."
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. [ 1 ] [ 2 ] [ 3 ] He developed many devices in fields such as electric power generation , mass communication , sound recording , and motion pictures. [ 4 ]
The war of the currents was a series of events surrounding the introduction of competing electric power transmission systems in the late 1880s and early 1890s. It grew out of two lighting systems developed in the late 1870s and early 1880s; arc lamp street lighting running on high-voltage alternating current (AC), and large-scale low-voltage direct current (DC) indoor incandescent lighting ...
A photo of the original purchase order from Thomas Edison to Corning for the glass encasement for Edison’s lightbulb in 1880. ... sending the company’s stock price plummeting from some $100 to ...
Tesla did not "gift" the modern world and the most enduring inventions that are in it. Most of what Tesla worked on was also being developed by other people at the time and we are using their inventions, not Tesla's. This is all a little off topic because Edison and Tesla were never rivals, one ran a company, the other tinkered in a lab.
The (Delayed) Death of Nikola Tesla. Nikola Tesla didn’t live forever. The inventor died under-appreciated, alone, and in poverty on January 7, 1943, from a coronary thrombosis, according to ...
Cheney, Margaret, Tesla: man out of time, ISBN 0-7432-1536-2; The Complete Patents of Nikola Tesla by Jim Glenn, 1994. The Complete Patents of Nikola Tesla (ISBN 978-1-566-19266-8) is a book compiled and edited by Jim Glenn detailing the patents of Nikola Tesla.