Granted Patent
Utility
US 5,278,575 · App. 07/765,858
Broadband microstrip to slotline transition
Inventor:
Mike Thomas
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Sep 26, 1991
Inventor
Mike Thomas
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.