Patents by Inventor Eric H. Kaufmann

Eric H. Kaufmann 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).

  • Landscaping dressing and method
    Patent number: 6301829
    Abstract: A landscaping dressing for application to spread mulch, pine needles, and similar natural fiber soil covering comprising a blend of linseed oil and soybean oil. The dressing will restore faded mulch and reduce fading of fresh mulch. Plant derived oils such as eucalyptus and neem oil may be included in the dressing.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: October 16, 2001
    Inventor: Eric H. Kaufmann