Granted Patent
Utility
US 6,420,947 · App. 09/816,466
Thermal compensation arrangement for microwave filter
Inventors:
Graham Broad, Lewis Steer
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Mar 26, 2001
Inventors
Graham Broad
Lewis Steer
Assignee (at issue)
ALCATEL
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.