Granted Patent
Utility
US 6,439,728 · App. 09/941,998
Multimirror stack for vertical integration of MEMS devices in two-position retroreflectors
Inventor:
Frederick Kent Copeland
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Aug 28, 2001
Inventor
Frederick Kent Copeland
Assignee (at issue)
Network Photonics, 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.