Patents by Inventor Rian T. Dittmer

Rian T. Dittmer 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).

  • Transaction terminal having base module and portable module
    Patent number: 5237487
    Abstract: A transaction terminal comprises a base module which includes a printer and a portable hand-held data input module which can be removed by a user from the base module to enable the user to move around an area such as a store to gather input data. The portable data input module can then be connected to the base module for printing of the gathered data. The portable hand-held data input module may include several types of data input devices such as a keyboard, a touch screen, a digitizer and a storage disk.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: August 17, 1993
    Assignee: NCR Corporation
    Inventors: Rian T. Dittmer, Donald L. Forsythe
  • Retail terminal
    Patent number: D359273
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: June 13, 1995
    Assignee: AT&T Global Information Solutions Company
    Inventor: Rian T. Dittmer