Granted Patent
Utility
US 4,968,958 · App. 07/397,056
Broad bandwidth planar power combiner/divider device
Inventor:
Percy W. Hoare
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Aug 22, 1989
Inventor
Percy W. Hoare
Assignee (at issue)
U.S. Philips 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.