Patents by Inventor David McC Estabrook

David McC Estabrook 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).

  • Methods and apparatus for improved cellular communication
    Patent number: 6438388
    Abstract: A cellular telephone system including a cellular telephone operable to perform functions programmed at a central location. The telephone transmits a code to a central computer, which then executes the function associated with the code. Functions include, for example, establishing a telephone connection between the telephone and a called number, providing access to voice mail, callback paging, and programming. The central computer may be programmed to associate new functions with particular codes. The telephone system also includes a base station for charging a battery of the cellular telephone, for low-battery or battery-free operation of the cellular telephone, and for programming the telephone or the central computer.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: August 20, 2002
    Inventor: David McC Estabrook
  • Methods and apparatus for improved cellular communication
    Patent number: 6052579
    Abstract: A cellular telephone system including a cellular telephone operable to perform functions programmed at a central location. The telephone transmits a code to a central computer, which then executes the function associated with the code. Functions include, for example, establishing a telephone connection between the telephone and a called number, providing access to voice mail, callback paging, and programming. The central computer may be programmed to associate new functions with particular codes. The telephone system also includes a base station for charging a battery of the cellular telephone, for low-battery or battery-free operation of the cellular telephone, and for programming the telephone or the central computer.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: April 18, 2000
    Inventor: David McC Estabrook