Granted Patent
Utility
US 5,734,477 · App. 08/651,390
Optical device having multilenses
Inventor:
Jenn-Tsair Tsai
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: May 22, 1996
Inventor
Jenn-Tsair Tsai
Assignee (at issue)
Must Systems, 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.