Granted Patent
Utility
US 6,335,723 · App. 09/165,748
Transmitter pen location system
Inventors:
Robert P. Wood, Serge Plotkin, Jacob Harel, Alfred Samson Hou
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Oct 2, 1998
Inventors
Robert P. Wood
Serge Plotkin
Jacob Harel
Alfred Samson Hou
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.