Patents by Inventor Klaus Henkelmann

Klaus Henkelmann 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).

  • MAGNIFYING GLASS
    Publication number: 20110181964
    Abstract: A magnifying glass has an eye-side aspherical biconvex-lens and an object-side meniscus lens, the concave lens surface of which faces a field of vision. This produces a magnifying glass, which is flexible to use and at the same time is not complex in its design.
    Type: Application
    Filed: January 26, 2011
    Publication date: July 28, 2011
    Applicant: ESCHENBACH OPTIK GMBH
    Inventors: Klaus Henkelmann, Wolfgang Gilgert, Martin Schillnger