Granted Patent
Utility
US 6,292,177 · App. 08/811,947
Marking device for electronic presentation board
Inventors:
Rafi Holtzman, Isaac Zloter
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Mar 5, 1997
Inventors
Rafi Holtzman
Isaac Zloter
Assignee (at issue)
Tidenet, 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.