Granted Patent
Utility
US 5,652,594 · App. 04/694,159
Signal processor affording improved immunity to medium anomalies and interference in remote object detection system
Inventor:
John P. Costas
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Dec 28, 1967
Inventor
John P. Costas
Assignee (at issue)
LOCKHEED MARTIN 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.