Patents by Inventor Jacobus J. Van der Zwan

Jacobus J. Van der Zwan 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).

  • Controlled release agglomerated carrier
    Patent number: 4563344
    Abstract: A controlled release agglomerated carrier for pesticides and the like comprised of preselected portions of the pith, fine and coarse chaff and woody ring portions of a corncob which, when combined in varying ratios, define an overall release rate for the carrier and/or act as a bait for the targeted species.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: January 7, 1986
    Assignee: The Andersons
    Inventors: Michael E. Kotz, Jacobus J. Van der Zwan