Granted Patent
Utility
US 5,629,965 · App. 08/647,761
Diving bell type control rod equipped with sodium inflow port
Inventors:
Tomonori Soga, Kiyoshi Harada
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: May 15, 1996
Inventors
Tomonori Soga
Kiyoshi Harada
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.