Granted Patent
Utility
US 5,861,839 · App. 08/858,646
Antenna apparatus for creating a 2D image
Inventors:
Eric L. Upton, Yong Guo
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: May 19, 1997
Inventors
Eric L. Upton
Yong Guo
Assignee (at issue)
TRW 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.