Patents by Inventor Gunnar Johan Fonne

Gunnar Johan Fonne 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).

  • Patent number: 3938279
    Abstract: The invention relates to a growth medium which is to be used for covering the surface of the ground and which consists of or contains a mixture of an inorganic mineral binder based on cement, an organic fibrous material and fertiliser.
    Type: Grant
    Filed: February 8, 1974
    Date of Patent: February 17, 1976
    Assignee: Norsk Hydro A. S.
    Inventor: Gunnar Johan Fonne