Granted Patent
Utility
US 5,866,856 · App. 08/808,524
Marking device for electronic presentation board
Inventor:
Rafi Holtzman
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Feb 28, 1997
Inventor
Rafi Holtzman
Assignee (at issue)
ELECTRONICS FOR IMAGING, 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.