Granted Patent
Utility
US 5,158,162 · App. 07/407,598
Tube vibration dampener and stiffener apparatus and method
Inventors:
David J. Fink, Stephen M. Ira, Thomas M. Frick, James R. Ziler
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Sep 15, 1989
Inventors
David J. Fink
Stephen M. Ira
Thomas M. Frick
James R. Ziler
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.