Granted Patent
Utility
US 6,584,479 · App. 09/098,942
Overlay presentation of textual and graphical annotations
Inventors:
Bay-Wei Chang, Polle T. Zellweger, Jock Douglas Mackinlay, Kenneth P. Fishkin, Takeo Igarashi
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 17, 1998
Inventors
Bay-Wei Chang
Polle T. Zellweger
Jock Douglas Mackinlay
Kenneth P. Fishkin
Takeo Igarashi
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.