Patents by Inventor Heiner Rogmann

Heiner Rogmann 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).

  • Method of fertilizing a lawn
    Patent number: 6074452
    Abstract: A method of fertilizing a lawn which is located at least partially in the shade, comprises the step of applying to the leaves of the grass plants of the lawn a liquid fertilizer containing plant assimilates.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: June 13, 2000
    Inventor: Heiner Rogmann