Granted Patent
Utility
US 5,457,760 · App. 08/239,098
Wavelength division optical multiplexing elements
Inventor:
Victor Mizrahi
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: May 6, 1994
Inventor
Victor Mizrahi
Assignee (at issue)
AT & T IPM Corp.
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.