Granted Patent
Utility
US 5,652,591 · App. 07/439,730
Wideband and wide angle sidelobe cancellation technique
Inventors:
Sien-Chang C. Liu, Donald J. Gibson, Nam S. Wong, Raymond Tang, James S. Ajioka
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Nov 20, 1989
Inventors
Sien-Chang C. Liu
Donald J. Gibson
Nam S. Wong
Raymond Tang
James S. Ajioka
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.