Granted Patent
Utility
US 4,659,544 · App. 06/620,041
Unitary structure of tag gas capsule and end cap of nuclear fuel cladding tube
Inventors:
Takeo Sawayama, Izumi Iimura, Hisaya Miyazaki
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Jun 12, 1984
Inventors
Takeo Sawayama
Izumi Iimura
Hisaya Miyazaki
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.