Patents by Inventor Eva Marie Koch

Eva Marie Koch 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).

  • Patent number: 3999590
    Abstract: A curtain fabric for pleated curtains is disclosed wherein the cord guiding loops are provided during manufacture. Additionally, various reinforcement patterns, also to be provided during manufacture of the fabric, are disclosed.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: December 28, 1976
    Assignee: Vorwerk & Sohn
    Inventor: Eva Marie Koch