Granted Patent
Utility
US 6,301,425 · App. 09/255,299
Magnetically tunable optical attenuator and method of attenuating signals
Inventors:
Rolando Patricio Espindola, Randy Clinton Giles, Sungho Jin, Hareesh Mavoori
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Feb 22, 1999
Inventors
Rolando Patricio Espindola
Randy Clinton Giles
Sungho Jin
Hareesh Mavoori
Assignee (at issue)
Agere Systems Optoelectronics Guardian Corporation
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.