Patents by Inventor Margaret A. Craig

Margaret A. Craig 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).

  • Ball shaped transparency viewer
    Patent number: D421033
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: February 22, 2000
    Assignee: Insight Imaging, Inc.
    Inventors: Brian E. Shirley, Brian T. Eichelberger, Margaret A. Craig
  • Football shaped transparency viewer
    Patent number: D421034
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: February 22, 2000
    Assignee: Insight Imaging, Inc.
    Inventors: Brian E. Shirley, Brian T. Eichelberger, Margaret A. Craig
  • Baseball shaped transparency viewer
    Patent number: D421035
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: February 22, 2000
    Assignee: Insight Imaging, Inc.
    Inventors: Brian E. Shirley, Brian T. Eichelberger, Margaret A. Craig
  • Puck shaped transparency viewer
    Patent number: D421762
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: March 21, 2000
    Assignee: Insight Imaging, Inc.
    Inventors: Brian E. Shirley, Brian T. Eichelberger, Margaret A. Craig