Patents by Inventor Christoph Koelwel

Christoph Koelwel 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).

  • Insert for the treatment of dry eye
    Publication number: 20090041828
    Abstract: The invention relates to an insert for the treatment of dry eyes, wherein the insert can be placed on or inserted into the lacrimal sac or the cornea.
    Type: Application
    Filed: October 14, 2008
    Publication date: February 12, 2009
    Inventors: Chris P. Lohmann, Achim Goepferich, Christoph Koelwel