Patents by Inventor Edward Chamberlain

Edward Chamberlain 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: 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
  • 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
  • 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