Granted Patent
Utility
US 3,933,576 · App. 05/361,208
Evaporation of radioactive wastes
Inventor:
William Rushton
Patented Case
View Patent ↗
Granted: Jan 20, 1976
Filed: May 17, 1973
Inventor
William Rushton
Assignee (at issue)
Whiting Corporation
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.