Patents by Inventor Margaret C. Sweeney

Margaret C. Sweeney 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).

  • Computer housing or the like
    Patent number: D294355
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: February 23, 1988
    Assignee: International Business Machines Corporation
    Inventors: Vincent Giannotti, Jr., Ralph A. Haus, Margaret C. Sweeney
  • Display monitor
    Patent number: D303379
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: September 12, 1989
    Assignee: International Business Machines Corporation
    Inventors: Vincent Giannotti, Jr., Ralph A. Haus, Tristan A. Merino, Margaret C. Sweeney
  • Power unit cover for a portable hardfile storage device
    Patent number: D304329
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: October 31, 1989
    Assignee: International Business Machines Corporation
    Inventors: David W. Hill, Margaret C. Sweeney
  • Power unit cover for three portable hardfiles or the like
    Patent number: D311176
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: October 9, 1990
    Assignee: International Business Machines Corporation
    Inventors: David W. Hill, Margaret C. Sweeney
  • Portable file
    Patent number: D315924
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: April 2, 1991
    Assignee: International Business Machines Corporation
    Inventors: James J. Best, Margaret C. Sweeney
  • Card holder
    Patent number: D326871
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: June 9, 1992
    Assignee: International Business Machines Corporation
    Inventors: Edward J. Sabella, Margaret C. Sweeney