Patents by Inventor Kevin Flikkema

Kevin Flikkema 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).

  • Publication number: 20070022926
    Abstract: A down pressure adjustment mechanism for a planter provides a self-contained spring cartridge holding a preloaded compression spring that may be moved between a limited number of mounting points to provide for convenient and significant changes in down pressure without the need for specialized tools or the like.
    Type: Application
    Filed: August 1, 2005
    Publication date: February 1, 2007
    Inventors: Kevin Flikkema, Chad Johnson, Travis Harnetiaux