<p><img src='http://www.avbeat.com/wp-content/uploads/2014/06/4a10009c-486f-48b8-92d2-28de49f9d842.jpg' class='aligncenter' style='width: 100%'/>Tesla granted patent 454,622: coupled tuned circuit radio-frequency oscillator. June 24, 1910 Public Law 262, titled “Act to require apparatus and operators for radio communication on certain ocean steamers,” requires Commerce Dept.</p>
Tesla granted patent 454,622: coupled tuned circuit radio-frequency oscillator. June 24, 1910 Public Law 262, titled “Act to require apparatus and operators for radio communication on certain ocean steamers,” requires Commerce Dept.