Patents by Inventor Theodor Wallner

Theodor Wallner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of producing a multilayer anti-reflection coating
    Patent number: 4372987
    Abstract: A method of producing a multilayer anti-reflection coating with an interference effect for optical purposes, and optical bodies with a multilayer anti-reflection coating is described, of which at least one layer has a low refractive index, at least one other layer has a medium refractive index, and--if necessary--other layers have a high refractive index, and whereby the layer of medium refractive value is produced by depositing a mixture of tantalic oxide and aluminum oxide by means of an electron gun in a vacuum in a reactive atmosphere.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: February 8, 1983
    Assignee: D. Swarovski & Co.
    Inventors: Peter Ganner, Theodor Wallner