Granted Patent
Utility
US 4,701,727 · App. 06/675,782
Stripline tapped-line hairpin filter
Inventor:
Joseph Wong
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Nov 28, 1984
Inventor
Joseph Wong
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.