Granted Patent
Utility
US 5,760,641 · App. 08/604,494
Controllable filter arrangement
Inventors:
Marcus Granger-Jones, Colin L. Perry
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Feb 21, 1996
Inventors
Marcus Granger-Jones
Colin L. Perry
Assignee (at issue)
Plessey Semiconductors Ltd
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.