Granted Patent
Utility
US 6,381,239 · App. 09/125,217
Multiple application switching platform and method
Inventors:
Roger F. Atkinson, Simon Ng, Robert Siefert, William Ashley, Kenneth A. Beckman, Raymond F. Klein
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Aug 13, 1998
Inventors
Roger F. Atkinson
Simon Ng
Robert Siefert
William Ashley
Kenneth A. Beckman
Raymond F. Klein
Assignee (at issue)
Taqua Systems, Inc.
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.