Granted Patent
Utility
US 5,298,908 · App. 07/125,832
Interference nulling system for antennas
Inventor:
Gerald H. Piele
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Nov 27, 1987
Inventor
Gerald H. Piele
Assignee (at issue)
Unisys Corporation
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.