Tweet - Helmut Hoffer von Ankershoffen né Oertel Published at 2020-02-01 19:28:00 +0100 via @h_ankershoffen Liked on #YouTube: How Corning Created Gorilla Glass And Reinvented Itself t.co/nW5KME5113 Liked on #YouTube: How Corning Created Gorilla Glass And Reinvented Itself https://t.co/nW5KME5113— Helmut Hoffer von Ankershoffen (@h_ankershoffen) February 1, 2020