Granted Patent
Utility
US 6,215,919 · App. 09/333,846
Mechanical optical switching device
Inventors:
Wei Li, Qing Shao
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Jun 15, 1999
Inventors
Wei Li
Qing Shao
Assignee (at issue)
Oplink Communications, LLC
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.