Granted Patent
Utility
US 4,260,891 · App. 06/062,328
Radiation detectors
Inventor:
Anthony M. Williams
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Jul 31, 1979
Inventor
Anthony M. Williams
Assignee (at issue)
EMI, LLC
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.