div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: INVENTOR CERTIFICATE OF PATENT 9 8 6 9 2 T PATENT dccernaccndownloadAttachmentfilename=2015DHF · inventor application number filing date registration date src=https:reader033vdocumentsusreader033viewer2022051916600839125b7ef45726313f36html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: INVENTOR CERTIFICATE OF PATENT 9 8 6 9 2 T PATENT dccernaccndownloadAttachmentfilename=2015DHF · inventor application number filing date registration date src=https:reader033vdocumentsusreader033viewer2022051916600839125b7ef45726313f36html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv