Granted Patent
Utility
US 4,926,342 · App. 07/140,064
High pressure rotor stress damage accumulating method
Inventors:
Edward Y. Hwang, Michael P. Chow
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Dec 31, 1987
Inventors
Edward Y. Hwang
Michael P. Chow
Assignee (at issue)
Westinghouse Electric Company LLC
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.