Granted Patent
Utility
US 5,442,741 · App. 08/226,424
Method for displaying pie chart information on a computer screen
Inventors:
Jeffrey A. Hughes, William R. Marbaker, Jeffrey H. Smith
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Apr 12, 1994
Inventors
Jeffrey A. Hughes
William R. Marbaker
Jeffrey H. Smith
Assignee (at issue)
Hewlett-Packard Company, L.P.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.