Patents by Inventor Andy T. Ng

Andy T. Ng 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).

  • Refuse bag supporting device
    Patent number: 7066432
    Abstract: A refuse bag supporting device comprises a refuse bag supporting frame and a plurality of legs which are both pivotal relative to the frame and retractable to facilitate supporting refuse bags either vertically or horizontally and to facilitate convenient storage of the refuse bag supporting device.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: June 27, 2006
    Assignee: Olympic General Corporation
    Inventors: Gregory J. Wood, Andy T. Ng