year <span class="op">=</span> <span class="fl">1976</span>,
                     week <span class="op">=</span> <span class="fl">1</span>,
                     output_file <span class="op">=</span> <span class="st">"patent_output1.csv"</span><span class="op">)</span>

<span class="co"># download patents from:</span>
<span class="co">#   1. week 1 of 1976 (TXT format in USPTO)</span>
<span class="co">#   2. week 48 of 2002 (XML format 1 in USPTO)</span>
<span class="co">#   3. week 19 of 2006 (XML format 2 