Patents by Inventor Kirk A. Spiegel

Kirk A. Spiegel 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).

  • Air freshening device
    Patent number: D508559
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: August 16, 2005
    Assignee: JohnsonDiversey, Inc.
    Inventors: Kirk A. Spiegel, Jayant Sharma, Brian W. Bunten