Granted Patent
Utility
US 5,204,622 · App. 07/618,978
Improved probe for inspecting tubes having mechanism for maintaining alignment of probe axis of rotation
Inventors:
Samuel C. McCaslin, John J. Wilhelm
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Nov 28, 1990
Inventors
Samuel C. McCaslin
John J. Wilhelm
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.