Patents by Inventor Steven J. Butz

Steven J. Butz 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: 4839802
    Abstract: A communication adapter for a personal computer or computer terminal is interposed between the computer process unit and its accessory units, such as a keyboard, a printer and a display monitor; the adapter includes a data memory for storing data and actuation signals from the keyboard, from the process unit, and from a communication port on the adapter, together with transmission logic circuits for transmitting data from the memory through the communication port, and accessory logic circuits for supplying data from the memory to the printer and to the monitor.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: June 13, 1989
    Assignee: Extel Corporation
    Inventors: Daniel C. Wonak, Steven J. Butz, William A. Miller, II