Patents by Inventor William Adak Ratzburg

William Adak Ratzburg 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).

  • Sheet mulch assembly for an agricultural drip irrigation system
    Patent number: 8726565
    Abstract: A sheet mulch assembly includes a sheet mulch; an irrigation conduit attached to and carried by the sheet mulch; and at least one carrier substrate coupled with the conduit. Each carrier substrate carries at least one seed.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: May 20, 2014
    Assignee: Deere & Company
    Inventors: Michael John McGrady, William Adak Ratzburg
  • Sheet mulch assembly for an agricultural drip irrigation system
    Publication number: 20080072480
    Abstract: A sheet mulch assembly includes a sheet mulch; an irrigation conduit attached to and carried by the sheet mulch; and at least one carrier substrate coupled with the conduit. Each carrier substrate carries at least one seed.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 27, 2008
    Inventors: Michael John McGrady, William Adak Ratzburg