Patents Assigned to Simro A.G.
  • Patent number: 4655564
    Abstract: The present invention relates to plastic eyewear, i.e. spectacle frames and parts thereof in which the plastic is selected from the group consisting of polyetherimide and polyethersulfone.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: April 7, 1987
    Assignee: Simro A.G.
    Inventor: Guenther Czech