Patents by Inventor Nicholas M. Leon

Nicholas M. Leon 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).

  • Cursor control for a display system
    Patent number: D258954
    Type: Grant
    Filed: August 15, 1978
    Date of Patent: April 21, 1981
    Assignee: International Business Machines Corporation
    Inventor: Nicholas M. Leon
  • Cathode ray tube display device
    Patent number: D259343
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: May 26, 1981
    Assignee: International Business Machines Corporation
    Inventors: Edward Chamberlain, Nicholas M. Leon, Michael H. Sharp
  • Video data display terminal
    Patent number: D262878
    Type: Grant
    Filed: March 28, 1979
    Date of Patent: February 2, 1982
    Assignee: International Business Machines Corporation
    Inventors: Edward Chamberlain, Nicholas M. Leon, Michael H. Sharp
  • Keyboard enclosure for a personal computer or the like
    Patent number: D278063
    Type: Grant
    Filed: July 28, 1982
    Date of Patent: March 19, 1985
    Assignee: International Business Machines Corporation
    Inventors: Edward Chamberlain, Tommy R. Hardy, Nicholas M. Leon, Peter J. Mendel, Michael H. Sharp