Granted Patent
Utility
US 4,728,795 · App. 06/084,469
Optical target detection systems
Inventor:
Malcolm G. Cross
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Oct 16, 1979
Inventor
Malcolm G. Cross
Assignee (at issue)
The Marconi Company Limited
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.