Granted Patent
Utility
US 4,456,426 · App. 06/338,877
Fastening device for a turbine housing
Inventor:
Hans Bellati
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Jan 12, 1982
Inventor
Hans Bellati
Assignee (at issue)
BBC Brown, Boveri & Company 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.