Granted Patent
Utility
US 4,836,749 · App. 07/244,442
Pre-load device for a turbomachine rotor
Inventor:
William A. Gavilan
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Sep 14, 1988
Inventor
William A. Gavilan
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.