Granted Patent
Utility
US 5,287,119 · App. 07/775,674
Computer input device using an orientation sensor
Inventor:
Donald E. Drumm
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Oct 11, 1991
Inventor
Donald E. Drumm
Assignee (at issue)
Wang Laboratories, 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.