Granted Patent
Utility
US 5,708,530 · App. 08/622,883
Multi-zoned dichroic mirror for liquid crystal projection system
Inventor:
Tsai-Yun Huang
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Mar 29, 1996
Inventor
Tsai-Yun Huang
Assignee (at issue)
Electronics Research & Service Organization
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.