Granted Patent
Utility
US 5,740,216 · App. 08/520,785
Vertical seismic isolation structure of common deck system for nuclear reactor components
Inventor:
Masaki MORISHITA
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Aug 30, 1995
Inventor
Masaki MORISHITA
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.