Granted Patent
Utility
US 4,581,200 · App. 06/416,598
Method and apparatus for removing hydrogen from secondary cooling systems of fast breeder reactors
Inventor:
Yoshiaki Himeno
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Sep 10, 1982
Inventor
Yoshiaki Himeno
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.