Granted Patent
Utility
US 4,362,013 · App. 06/137,491
Method for operating a combined plant
Inventor:
Tetsuzo Kuribayashi
Patented Case
View Patent ↗
Granted: Dec 7, 1982
Filed: Apr 4, 1980
Inventor
Tetsuzo Kuribayashi
Assignee (at issue)
HITACHI, LTD.
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.