Granted Patent
Utility
US 5,713,412 · App. 08/645,374
Apparatus for attenuating vibration of a tubular member
Inventors:
Robert M. Wepfer, Thomas M. Frick
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: May 13, 1996
Inventors
Robert M. Wepfer
Thomas M. Frick
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.