Granted Patent
Utility
US 4,416,855 · App. 06/232,821
Radioactive waste treatment apparatus
Inventors:
Richard F. Abrams, James G. Chellis
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Feb 9, 1981
Inventors
Richard F. Abrams
James G. Chellis
Assignee (at issue)
Koch Process Systems, Inc.
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.