Granted Patent
Utility
US 5,398,296 · App. 08/252,569
Method of fabricating an optical attenuator
Inventors:
Song Lin, Chung-Ying Kung, Wan-Kwo Lin
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: May 31, 1994
Inventors
Song Lin
Chung-Ying Kung
Wan-Kwo 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.