Patents by Inventor Guy-Louis Grau

Guy-Louis Grau 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).

  • Portable radiotelephone and radiocommunication system including such a radiotelephone
    Patent number: 7142826
    Abstract: Portable radiotelephone including a central processing unit, a transmit and receive radio circuit connected to at least one antenna, a microphone emerging upwards when the radiotelephone is worn by means of a necklace, a speaker and a keypad that includes at least one multifunction key.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: November 28, 2006
    Assignee: Inventel Systems
    Inventors: Henri-Nicolas Olivier, Guy-Louis Grau, Peng Zhang, Martin Pourriot, Fabrice Devige
  • Portable radiotelephone and radiocommunication system including such a radiotelephone
    Publication number: 20040127189
    Abstract: Portable radiotelephone including a central processing unit, a transmit and receive radio circuit connected to at least one antenna, a microphone emerging upwards when the radiotelephone is worn by means of a necklace, a speaker and a keypad that includes at least one multifunction key.
    Type: Application
    Filed: June 24, 2003
    Publication date: July 1, 2004
    Inventors: Henri-Nicolas Olivier, Guy-Louis Grau, Peng Zhang, Martin Pourriot, Fabrice Devige