Patents by Inventor Samuel Friedrich Lentz

Samuel Friedrich Lentz 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 application of organic fertilizer
    Patent number: 6325837
    Abstract: A method of application of organic fertilizer. In accordance with the teachings of this method plant matter is dehydrated and pelletized to form fertilizer pellets. The fertilizer pellets are then spread on soil. When the fertilizer pellets are hydrated, the fertilizer pellets release nutrients into the soil. This form of organic fertilizer is easy to handle and has a higher concentration of nutrients than other fertilizers made from plant matter.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: December 4, 2001
    Inventor: Samuel Friedrich Lentz