The <a href="https://en.wikipedia.org/wiki/Wright_brothers" id="mw7g" rel="mw:WikiLink" title="Wright brothers">Wright brothers</a> are granted U.S. patent number 821,393 for their "<a href="https://en.wikipedia.org/wiki/Airplane" id="mw7w" rel="mw:WikiLink" title="Airplane">Flying-Machine</a>".