Granted Patent
Utility
US 6,227,669 · App. 09/205,634
Illumination device and image projection apparatus comprising the device
Inventors:
Kuo-Tung Tiao, Kuang-Vu Chen, Fu-Ming Chuang, Jinn-Chou Yoo
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Dec 3, 1998
Inventors
Kuo-Tung Tiao
Kuang-Vu Chen
Fu-Ming Chuang
Jinn-Chou Yoo
Assignee (at issue)
Industrial Technology Research Institute
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.