Granted Patent
Utility
US 6,687,429 · App. 09/880,328
Optical switch with liquid-air-liquid switch assembly
Inventor:
Yueh Liang Chung
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jun 12, 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.