Granted Patent
Utility
US 6,795,604 · App. 10/234,572
Optical switch
Inventor:
Shu-Lin Tai
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Sep 3, 2002
Inventor
Shu-Lin Tai
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.