Granted Patent
Utility
US 6,173,178 · App. 08/991,080
Satellite beam pattern for non-uniform population distribution
Inventors:
Chet W. Hammill, Karl O. Dishaw
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Dec 16, 1997
Inventors
Chet W. Hammill
Karl O. Dishaw
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.