Patents by Inventor Amos I. T. Chang

Amos I. T. Chang 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).

  • Traffic flow control systems
    Patent number: 3945745
    Abstract: A street pattern is disclosed including a honeycomb pattern of traffic arteries; pedestrian passageways under the streets; unique artery dividing median means and public transit facilities between adjacent honeycomb legs.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: March 23, 1976
    Inventor: Amos I. T. Chang