Granted Patent
Utility
US 5,162,697 · App. 07/563,582
Traveling wave tube with gain flattening slow wave structure
Inventors:
Jon A. Davis, Ivo Tammaru
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Aug 6, 1990
Inventors
Jon A. Davis
Ivo Tammaru
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.