Medtronic Told to Pay \$400 Mln Damages  NEW YORK (Reuters) - A federal jury on Tuesday ordered  Medtronic Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=MDT.N target=/stocks/quickinfo/fullquote"&gt;MDT.N&lt;/A&gt; to pay \$400 million in punitive damages  to an inventor of spinal surgical devices sold by the medical  equipment maker.