Patents by Inventor David Burbage, Jr.

David Burbage, Jr. 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: 6718891
    Abstract: A seed planter having a plurality of vacuum operated seed metering units includes a valve assembly connected between the metering units and the vacuum manifold permitting discrete control of the operation of each metering unit.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: April 13, 2004
    Inventors: David Burbage, Jr., William S. Warren