Mary Taylor Brush
... that Mary Taylor Brush filed a 1917 patent for a design to make aircraft "practically invisible when in the air"?
... that <b id="mwfQ"><a href="./Mary_Taylor_Brush" id="mwfg" rel="mw:WikiLink" title="Mary Taylor Brush">Mary Taylor Brush</a></b> filed a 1917 patent <i id="mwfw">(drawing shown)</i> for a design to make aircraft "practically invisible when in the air"?