Patents Assigned to Ferdinand Menrad GmbH & Co. KG
  • Spectacle frame
    Patent number: 5266978
    Abstract: Non-slip assembly of a spectacle frame made of synthetic material includes two silicone elements filling two respective depressions formed at two nose pads of the spectacle frame. Each silicone element is rigidly held in the respective depression as a viscous silicone is cured. Each silicon element is flush with an edge of the respective depression.
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: November 30, 1993
    Assignee: Ferdinand Menrad GmbH & Co. KG
    Inventors: Herbert Kaszmann, Hermann Steeb