div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: United States Patent and Trademark Office · 2019 2 7 · DEC 02 OFFICE OF PETITIONS Commissioner for Patents United States Patent and Trademark Office PO Box 1450 Alexandria src=https:reader033vdocumentsmxreader033viewer20220520006012d09e33656519053e8e86html5thumbnails1jpg 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: United States Patent and Trademark Office · 2019 2 7 · DEC 02 OFFICE OF PETITIONS Commissioner for Patents United States Patent and Trademark Office PO Box 1450 Alexandria src=https:reader033vdocumentsmxreader033viewer20220520006012d09e33656519053e8e86html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: United States Patent and Trademark Office · 2019 2 7 · DEC 02 OFFICE OF PETITIONS Commissioner for Patents United States Patent and Trademark Office PO Box 1450 Alexandria src=https:reader033vdocumentsmxreader033viewer20220520006012d09e33656519053e8e86html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv