Granted Patent
Utility
US 4,949,093 · App. 07/155,412
Compact antenna range with switchable electromagnetic mirror
Inventor:
Sutinder S. Dhanjal
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Feb 12, 1988
Inventor
Sutinder S. Dhanjal
Assignee (at issue)
General Electric Company
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.