Granted Patent
Utility
US 5,539,414 · App. 08/116,243
Folded dipole microstrip antenna
Inventor:
Keith M. Keen
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Sep 2, 1993
Inventor
Keith M. Keen
Assignee (at issue)
Inmarsat Limited
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.