Granted Patent
Utility
US 5,900,985 · App. 09/055,581
Polarization converter for unpolarized light
Inventors:
Fang-Chuan Ho, June-Jei Huang, Chi-Hua Lee, Chun-Chuan Lin
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Apr 6, 1998
Inventors
Fang-Chuan Ho
June-Jei Huang
Chi-Hua Lee
Chun-Chuan Lin
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.