Granted Patent
Utility
US 6,556,733 · App. 09/982,373
Optical isolator and method for making same
Inventors:
Ja Jn Dy, Chun-Yu Lee, Tai-Cheng Yu, Chien-Cheng Chen
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Oct 17, 2001
Inventors
Ja Jn Dy
Chun-Yu Lee
Tai-Cheng Yu
Chien-Cheng Chen
Assignee (at issue)
Hon Hai Precision Ind. Co., Ltd.
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.