Granted Patent
Utility
US 4,963,294 · App. 07/139,443
Method of preparing uranium dioxide powder from uranium hexafluoride
Inventors:
Tadao Yato, Hiroshi Tanaka, Toshiaki Kikuchi, Toshio Onoshita
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Dec 30, 1987
Inventors
Tadao Yato
Hiroshi Tanaka
Toshiaki Kikuchi
Toshio Onoshita
Assignee (at issue)
Mitsubishi Kinzoku Kabushiki Kaisha
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.