Ralf Biertumpfel

Person

  • Mainz-Kastel, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for forming an optical element

    • Patent number 7,611,648
    • Issue date Nov 3, 2009
    • Schott AG
    • Bernd Wölfing
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents