Granted Patent
Utility
US 4,660,048 · App. 06/683,217
Microstrip patch antenna system
Inventor:
David Doyle
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Dec 18, 1984
Inventor
David Doyle
Assignee (at issue)
Texas Instruments Incorporated
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.