Patents by Inventor Elizabeth Ann Gradwohl

Elizabeth Ann Gradwohl 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: D601173
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: September 29, 2009
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Darrin W. Wilmes, John R. Brandt, Elizabeth Ann Gradwohl
  • Patent number: D605919
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: December 15, 2009
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Bret M. Schneider, Elizabeth Ann Gradwohl, Bobby Lynn Lawrence, Gregory A. Kramer
  • Patent number: D605920
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: December 15, 2009
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Bret M. Schneider, Elizabeth Ann Gradwohl, Bobby Lynn Lawrence, Gregory A. Kramer
  • Patent number: D622739
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: August 31, 2010
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Gary S. Bass, Terri Bass, legal representative, John R. Brandt, Elizabeth Ann Gradwohl, Darrin W. Wilmes