Granted Patent
Utility
US 5,530,174 · App. 08/520,786
Method of vitrifying high-level radioactive liquid waste
Inventors:
Kazuhiro Kawamura, Masayuki Yoneya, Kenichi Sasage
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Aug 30, 1995
Inventors
Kazuhiro Kawamura
Masayuki Yoneya
Kenichi Sasage
Assignee (at issue)
Doryokuro Kakunenryo Kaihatsu Jigyodan
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.