div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: oc co PATENT NUMBER 10 CERTIFICATE OF PATENT -1442565 … › docs › certificate_of_patent_h2minipdf · 2017-02-20 · oc co patent number 10 certificate of patent -1442565 src=https:reader033vdocumentsusreader033viewer20220525005f0f26e67e708231d442be69html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv