Patents by Inventor Daniel Sigillo

Daniel Sigillo 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).

  • Plastic air vent block
    Patent number: D537519
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: February 27, 2007
    Assignee: Lakewood Concrete Construction, Inc.
    Inventor: Daniel Sigillo