Granted Patent
Utility
US 6,262,662 · App. 09/512,890
Systems and methods that detect proximity information using electric field sensing devices and a page identification using embedded identification tags
Inventors:
Maribeth Joy Back, Richard J. Goldstein, Steven R. Harrison, Scott L. Minneman, Jonathan R. Cohen
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: Feb 25, 2000
Inventors
Maribeth Joy Back
Richard J. Goldstein
Steven R. Harrison
Scott L. Minneman
Jonathan R. Cohen
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.