W. Wallace Kellett
... that W. Wallace Kellett made the first autogyro used by the United States Post Office Department for carrying mail?
... that <b id="mwMA"><a class="new" data-mw-i18n='{"title":{"lang":"x-page","key":"red-link-title","params":["W. Wallace Kellett"]}}' href="./W._Wallace_Kellett?action=edit&amp;redlink=1" id="mwMQ" rel="mw:WikiLink" title="W. Wallace Kellett" typeof="mw:LocalizedAttrs">W. Wallace Kellett</a></b> made the first <a href="./Autogyro" id="mwMg" rel="mw:WikiLink" title="Autogyro">autogyro</a> used by the <a href="./United_States_Post_Office_Department" id="mwMw" rel="mw:WikiLink" title="United States Post Office Department">United States Post Office Department</a> for carrying mail?