<span class="citations"><p>Lewis D. Morse, Paul A. Hammes, "Beverage containing stabilized vitamin C and iron and method of making same." U.S. Patent US3958017, issued October, 1972.</p>
</span><a href="https://www.google.com/?tbm=pts#q=3958017&amp;tbm=pts" rel="noopener" target="_blank">US3958017</a>