Patents by Inventor Marc T. Phan

Marc T. Phan 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).

  • Sound-flag synchronized action controller
    Patent number: 7432820
    Abstract: The invention provides means to control flag movement. Sound activated unit responds to sound impulse to activate electric current flows to a switch-electromagnet. Switch-electromagnet effects directly on “Sound-flag synchronized action controller electrical switch” to turn an activated electric circuit “ON”. Activated electric current flows to “wind control bar electromagnets” to control velocity of blower wind current in flagpole interior to make flag actions such as waving, jumping and dancing.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: October 7, 2008
    Inventors: Charlie D. Phan, Marc T. Phan