Granted Patent
Utility
US 6,459,346 · App. 09/650,479
Side-coupled microwave filter with circumferentially-spaced irises
Inventors:
Apu Sivadas, Ming Yu, David J. Smith, William A. Fitzpatrick
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Aug 29, 2000
Inventors
Apu Sivadas
Ming Yu
David J. Smith
William A. Fitzpatrick
Assignee (at issue)
COM DEV 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.