Granted Patent
Utility
US 6,025,839 · App. 08/871,018
Method for displaying information in a virtual reality environment
Inventors:
David Allen Schell, Todd Leyba
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Jun 6, 1997
Inventors
David Allen Schell
Todd Leyba
Assignee (at issue)
International Business Machines Corporation
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.