Granted Patent
Utility
US 4,595,891 · App. 06/604,568
Microwave combiner having means to isolate between input terminals
Inventor:
Edward A. Cronauer
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Apr 27, 1984
Inventor
Edward A. Cronauer
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.