Patents by Inventor Rony Kelz

Rony Kelz 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).

  • Bale of straw or hay
    Patent number: 4570789
    Abstract: A rolled-up bale formed of straw, hay or the like is covered with a plastics netlike band which has an end portion partially overlapping the periphery of the bale and self-held on that periphery because the rough outer particles of the straw bale penetrate the mesh of the netlike band.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: February 18, 1986
    Assignee: Polygress Plastic GmbH
    Inventors: Ulrich Fritz, Rony Kelz