Sears v. Stiffel
... that the U.S. Supreme Court ruled in Sears v. Stiffel that companies can make and sell exact copies of other companies' inventions if they are not patented?
... that the <a href="./Supreme_Court_of_the_United_States" id="mwBR0" rel="mw:WikiLink" title="Supreme Court of the United States">U.S. Supreme Court</a> ruled in <i id="mwBR4"><b id="mwBR8"><a href="./Sears,_Roebuck_&amp;_Co._v._Stiffel_Co." id="mwBSA" rel="mw:WikiLink" title="Sears, Roebuck &amp; Co. v. Stiffel Co.">Sears v. Stiffel</a></b></i> that companies can make and sell exact copies of other companies' inventions if they are not <a href="./Patent" id="mwBSE" rel="mw:WikiLink" title="Patent">patented</a>?