Granted Patent
Utility
US 6,741,267 · App. 09/182,475
Keyboard for an electronic writeboard and method
Inventor:
Taco Van Leperen
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Oct 30, 1998
Inventor
Taco Van Leperen
Assignee (at issue)
Smart Technologies, 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.