Patents by Inventor Prince K. Nana

Prince K. Nana 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).

  • Multi-functional laptop
    Patent number: 7636236
    Abstract: A multi-functional laptop computer. An illustrative embodiment of the multi-functional laptop computer includes a laptop base, a laptop monitor pivotally carried by the laptop base, a CPU provided in one of the laptop base and the laptop monitor, a keyboard provided on the laptop base and connected to the CPU, a display screen provided on the laptop monitor and connected to the CPU and audio/video ports provided in the laptop base and connected to the CPU.
    Type: Grant
    Filed: November 10, 2007
    Date of Patent: December 22, 2009
    Inventor: Prince K. Nana
  • Detachable back-up battery pack for cell phone
    Patent number: 7619388
    Abstract: A back-up battery pack for use to charge a cell phone when the cell phone battery is drained allowing the cell phone to be continuously used without interruption.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: November 17, 2009
    Inventor: Prince K. Nana