Patents by Inventor Martha Vela de Casillas

Martha Vela de Casillas 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).

  • Message storage system for wireless telecommunication device
    Patent number: 6347232
    Abstract: A wireless telecommunication device (10) and collapsibly retractable writing surface (50) therefor wherein the wireless telecommunication device includes an outer casing (12) and a collapsibly retractable writing surface (24) which is suitable for receiving and retaining written information thereon. The retractable writing surface (24) has an open position wherein the surface is disposed for receiving and retaining written information thereon and a closed position wherein the surface is fully retracted.
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: February 12, 2002
    Assignee: Siemens Information and Communication Mobile, LLC
    Inventor: Martha Vela de Casillas