Granted Patent
Utility
US 5,742,263 · App. 08/574,261
Head tracking system for a head mounted display system
Inventors:
Ynjiun P. Wang, Timothy P. O'Hagan
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Dec 18, 1995
Inventors
Ynjiun P. Wang
Timothy P. O'Hagan
Assignee (at issue)
TELXON 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.