Granted Patent
Utility
US 5,298,754 · App. 08/007,385
Gas flow Geiger-Mueller type detector and method monitoring ionizing radiation
Inventors:
Charles W. Anderson, John W. Nagy, Leonard R. Smith
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Jan 21, 1993
Inventors
Charles W. Anderson
John W. Nagy
Leonard R. Smith
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.