Granted Patent
Utility
US 4,976,101 · App. 07/330,974
Combined gas and steam turbine power generating station
Inventor:
Ulrich Schiffers
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Mar 28, 1989
Inventor
Ulrich Schiffers
Assignee (at issue)
Siemens Aktiengesellschaft
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.