Granted Patent
Utility
US 6,523,959 · App. 10/014,437
Cooling device for liquid crystal projectors
Inventors:
Wen-Tsung Lee, Yuan Chang
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Dec 14, 2001
Inventors
Wen-Tsung Lee
Yuan Chang
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.