Granted Patent
Utility
US 4,455,448 · App. 06/326,757
Housing for microwave electronic devices
Inventor:
Robert W. Bertolina
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Dec 2, 1981
Inventor
Robert W. Bertolina
Assignee (at issue)
Watkins-Johnson Company, Inc.
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.