Granted Patent
Utility
US 5,047,787 · App. 07/345,319
Coupling cancellation for antenna arrays
Inventor:
Shawn W. Hogberg
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: May 1, 1989
Inventor
Shawn W. Hogberg
Assignee (at issue)
Motorola, Inc.
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.