Granted Patent
Utility
US 5,521,563 · App. 08/462,188
Microwave hybrid coupler
Inventor:
Joseph Mazzochette
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Jun 5, 1995
Inventor
Joseph Mazzochette
Assignee (at issue)
EMC Tech Co., Ltd.
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.