Patents by Inventor Elizabeth A. Gradwohl

Elizabeth A. 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).

  • Inflator
    Patent number: D604200
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: November 17, 2009
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Amy Marie Fassold, Bret M. Schneider, Elizabeth A. Gradwohl
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    Patent number: D611962
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: March 16, 2010
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Bret M. Schneider, John R. Brandt, Elizabeth A. Gradwohl
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    Patent number: D620500
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: July 27, 2010
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: John R. Brandt, Elizabeth A. Gradwohl