Granted Patent
Utility
US 6,476,376 · App. 09/683,543
Two dimensional object position sensor
Inventors:
David K. Biegelsen, Bryan T. Preas, Lars-Erik Swartz, Warren B. Jackson
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Jan 16, 2002
Inventors
David K. Biegelsen
Bryan T. Preas
Lars-Erik Swartz
Warren B. Jackson
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.