Granted Patent
Utility
US 4,794,261 · App. 07/041,941
Radiation protection circuit for protection against gamma ray and neutron radiation
Inventor:
Arye Rosen
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Apr 24, 1987
Inventor
Arye Rosen
Assignee (at issue)
General Electric 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.