Granted Patent
Utility
US 6,803,875 · App. 10/393,732
Simulatneous dual polarization radar system
Inventors:
James L. Alford, James Rogers Helvin
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Mar 21, 2003
Inventors
James L. Alford
James Rogers Helvin
Assignee (at issue)
DRS Weather Systems, Inc.
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.