Granted Patent
Utility
US 4,795,993 · App. 07/030,767
Matched dual mode waveguide corner
Inventors:
Pyong K. Park, Robert L. Eisenhart
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Mar 26, 1987
Inventors
Pyong K. Park
Robert L. Eisenhart
Assignee (at issue)
Hughes Aircraft Company
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.