<a href="https://en.wikipedia.org/wiki/Patent" class="extiw" title="w:Patent">Patent</a> sketch
<a href="https://en.wikipedia.org/wiki/Boeing" class="extiw" title="w:Boeing">w:Boeing</a>
Oct 18, 1966 (filed june 22, 1965)
<a rel="nofollow" class="external text" href="https://patents.google.com/patent/USD206035S/">patent USD206035S</a>