Granted Patent
Utility
US 5,648,767 · App. 08/346,730
Transponder detection system and method
Inventors:
Roger J. O'Connor, Robert C. Knittle
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Nov 30, 1994
Inventors
Roger J. O'Connor
Robert C. Knittle
Assignee (at issue)
Hughes Aircraft Company
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.