Patents by Inventor Ralph M. Swan

Ralph M. Swan 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).

  • Magnetic disk control unit for word processors
    Patent number: D252273
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: July 3, 1979
    Assignee: Artec International Corporation
    Inventors: Farouk Arjani, Thomas J. Kramer, Richard E. Johnson, Ralph M. Swan, David C. Andersen, David D. Pharmer
  • Typewriter for word processor
    Patent number: D252689
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: August 21, 1979
    Assignee: Artec International Corporation
    Inventors: Farouk Arjani, Thomas J. Kramer, Richard E. Johnson, Ralph M. Swan, David C. Andersen, David D. Pharmer
  • Word processing system having keyboard with one line display and CRT display
    Patent number: D271018
    Type: Grant
    Filed: August 12, 1980
    Date of Patent: October 18, 1983
    Assignee: Pitney Bowes Inc.
    Inventors: Farouk Arjani, Thomas J. Kramer, Ralph M. Swan
  • Floppy disk drive for word processor system
    Patent number: D280624
    Type: Grant
    Filed: December 15, 1982
    Date of Patent: September 17, 1985
    Assignee: Pitney Bowes Inc.
    Inventors: Ralph M. Swan, Benjamin Sherman, Judith A. Agard
  • Floppy disk module
    Patent number: D280899
    Type: Grant
    Filed: December 15, 1982
    Date of Patent: October 8, 1985
    Assignee: Pitney Bowes Inc.
    Inventors: Benjamin Sherman, Jo E. Burch, Ralph M. Swan