Granted Patent
Utility
US 4,463,324 · App. 06/384,828
Miniature coaxial line to waveguide transition
Inventor:
John C. Rolfs
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Jun 3, 1982
Inventor
John C. Rolfs
Assignee (at issue)
Sperry Corp.
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.