Granted Patent
Utility
US 4,338,215 · App. 06/078,119
Conversion of radioactive wastes to stable form for disposal
Inventors:
Peter T. B. Shaffer, Rustum Roy, Norman H. Macmillan
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Sep 24, 1979
Inventors
Peter T. B. Shaffer
Rustum Roy
Norman H. Macmillan
Assignee (at issue)
Kennecott Holdings 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.