Granted Patent
Utility
US 6,739,926 · App. 10/165,421
Damping of conductor tubes
Inventors:
Michael Gordon Riach, Brian J. Crawford, Peter Findlay Cranston
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jun 7, 2002
Inventors
Michael Gordon Riach
Brian J. Crawford
Peter Findlay Cranston
Assignees (at issue)
Amec Services, Ltd.
Fumantite International Ltd.
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.