Granted Patent
Utility
US 6,594,411 · App. 09/802,428
Optical switch
Inventor:
Yueh Liang Chung
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Mar 9, 2001
Inventor
Yueh Liang Chung
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.