Granted Patent
Utility
US 6,573,880 · App. 09/440,675
Applications for electronic reusable paper
Inventors:
Helen Simoni, Bryan T. Preas
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Nov 16, 1999
Inventors
Helen Simoni
Bryan T. Preas
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.