Henry Greathead
... that Henry Greathead invented the lifeboat in 1790, but never sought to patent it?
... that <b id="mwBdg"><a href="./Henry_Greathead" id="mwBdk" rel="mw:WikiLink" title="Henry Greathead">Henry Greathead</a></b> invented the <a href="./Lifeboat_(rescue)" id="mwBdo" rel="mw:WikiLink" title="Lifeboat (rescue)">lifeboat</a> in 1790, but never sought to <a href="./Patent" id="mwBds" rel="mw:WikiLink" title="Patent">patent</a> it?