Granted Patent
Utility
US 4,455,730 · App. 06/413,208
Turbine blade extractor
Inventor:
Paul Guenther
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Aug 30, 1982
Inventor
Paul Guenther
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.