Granted Patent
Utility
US 4,262,269 · App. 06/101,951
Q Enhanced resonator
Inventors:
Edward L. Griffin, Frederick A. Young, Harvey Endler
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Dec 10, 1979
Inventors
Edward L. Griffin
Frederick A. Young
Harvey Endler
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.