Patents by Inventor Daniel Danh Truong

Daniel Danh Truong 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).

  • Sink drain system
    Patent number: 7941878
    Abstract: A drain plug, a drain body and a drain pipe are fabricated of a flexible material. The drain plug has perforations and is threaded to allow easy cleaning. A drain-trap-shaped drain pipe containment device is in the form of a pair of mirror image halves with a hinge means there between. The hinged halves are latched together.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: May 17, 2011
    Inventor: Daniel Danh Truong