Granted Patent
Utility
US 6,509,898 · App. 09/062,341
Usage based methods of traversing and displaying generalized graph structures
Inventors:
Ed H. Chi, Peter L. T. Pirolli, James E. Pitkow, Rich Gossweller, Jock Douglas Mackinlay, Stuart K. Card
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Apr 17, 1998
Inventors
Ed H. Chi
Peter L. T. Pirolli
James E. Pitkow
Rich Gossweller
Jock Douglas Mackinlay
Stuart K. Card
Assignee (at issue)
Xerox Corporation
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.