Granted Patent
Utility
US 4,354,804 · App. 06/099,005
Composite turbine wheel, method of manufacture and fixture therefor
Inventor:
Gerald S. Cruzen
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Nov 30, 1979
Inventor
Gerald S. Cruzen
Assignee (at issue)
Williams Research Corporation
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.