Granted Patent
Utility
US 6,781,576 · App. 09/809,550
Wireless input apparatus and method using a three-dimensional pointing device
Inventor:
Yasuhiro Tamura
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Mar 14, 2001
Inventor
Yasuhiro Tamura
Assignee (at issue)
Sensation, 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.