Granted Patent
Utility
US 5,797,290 · App. 08/193,771
Closed system and method for shot peening adjacently located tubes in a power generation system
Inventors:
William H. Blissell, David J. Fink, David A. Snyder, Phillip J. Hawkins
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Feb 9, 1994
Inventors
William H. Blissell
David J. Fink
David A. Snyder
Phillip J. Hawkins
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.