Patents by Inventor Howard Warren

Howard Warren 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).

  • Bottle shaped envelope
    Patent number: D699786
    Type: Grant
    Filed: July 28, 2012
    Date of Patent: February 18, 2014
    Inventor: Howard Warren