Patents by Inventor Derek M. Silverstone

Derek M. Silverstone 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).

  • Patent number: 4185281
    Abstract: A display arrangement having a plurality of data display areas in which data is entered via manual controls is provided with a visual indication of the display element or area addressed. A first control knob selects the area addressed and a second control knob allows alteration of the data at the addressed area. The invention is primarily intended for "one handed" operation in which the manual controls are out of the line of sight of the operator.
    Type: Grant
    Filed: June 1, 1977
    Date of Patent: January 22, 1980
    Assignee: Elliott Brothers (London) Limited
    Inventor: Derek M. Silverstone