Granted Patent
Utility
US 6,603,357 · App. 09/408,992
Plane wave rectangular waveguide high impedance wall structure and amplifier using such a structure
Inventors:
John A. Higgins, Moonil Kim, Jonathan B. Hacker
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Sep 29, 1999
Inventors
John A. Higgins
Moonil Kim
Jonathan B. Hacker
Assignee (at issue)
Innovative Technology Licensing LLC
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.