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Reference.org
List of Nikola Tesla patents
open-in-new
<p><a href="/facts/Nikola_Tesla/MzqGhnkj">Nikola Tesla</a> was an <a href="/facts/Inventor/P3LdUHBY">inventor</a> who obtained around 300 <a href="/facts/Patent/LjT2bG3A">patents</a> worldwide for his <a href="/facts/Invention/P3LdUHBY">inventions</a>. Some of Tesla's patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 patents issued to Tesla in 26 countries that have been accounted for. Many of Tesla's patents were in the <a href="/facts/United_States/P0sCdLe5">United States</a>, <a href="/facts/United_Kingdom_of_Great_Britain_and_Ireland/yw0GUkge">Britain</a>, and <a href="/facts/Canada/cWWFM8oc">Canada</a>, but many other patents were approved in countries around the globe. Many inventions developed by Tesla were not put into patent protection. </p>