Granted Patent
Utility
US 5,231,288 · App. 07/844,330
Audible radiation monitor
Inventor:
Daniel M. C. Odell
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Mar 2, 1992
Inventor
Daniel M. C. Odell
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.