Patents by Inventor Gisela Bartz

Gisela Bartz 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: 4441272
    Abstract: A device for attracting beneficial and useful insects comprising a container having a plurality of openings therein through which the insects may freely enter and exit, and a natural material at least partially filling the container, the natural material being cotton, rush, straw, or the like, and generating an environment preferred by the insects.
    Type: Grant
    Filed: December 10, 1981
    Date of Patent: April 10, 1984
    Inventor: Gisela Bartz