Patents by Inventor Glenn Cignarella

Glenn Cignarella 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).

  • Bill center
    Patent number: D307993
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: May 22, 1990
    Inventor: Glenn Cignarella