Patents by Inventor Hans Riepold

Hans Riepold 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: 5300248
    Abstract: The subject invention is directed to rubber coatings for cleaning cloths comprised of foamed rubber and cellulose microfibers that promote biodegradability and enhance water absorbtivity and other desirable properties.
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: April 5, 1994
    Assignee: Firma Carl Freudenberg
    Inventors: Michael Passler, Hans Riepold