Granted Patent
Utility
US 6,501,463 · App. 09/504,206
Electronic whiteboard system using a tactile foam sensor
Inventors:
Andrew Dahley, Victor Su, Bjoern Magnussen, Cyril Valfort
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Feb 15, 2000
Inventors
Andrew Dahley
Victor Su
Bjoern Magnussen
Cyril Valfort
Assignees (at issue)
Siemens Technology-to-Business Center, LLC
Siemens Aktiengesellschaft
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.