Granted Patent
Utility
US 6,693,487 · App. 09/925,176
Signal processing circuit for floating signal sources using positive feedback
Inventor:
Philip Shapiro
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Aug 8, 2001
Inventor
Philip Shapiro
Assignee (at issue)
FINISAR 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.