Granted Patent
Utility
US 5,550,520 · App. 08/420,262
Monolithic HBT active tuneable band-pass filter
Inventor:
Kevin Wesley Kobayashi
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Apr 11, 1995
Inventor
Kevin Wesley Kobayashi
Assignee (at issue)
TRW Limited
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.