Granted Patent
Utility
US 6,690,847 · App. 09/837,829
Optical switching element having movable optically transmissive microstructure
Inventor:
Ying Hsu
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Apr 17, 2001
Inventor
Ying Hsu
Assignee (at issue)
Newport Opticom. Inc.
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.