Granted Patent
Utility
US 6,690,866 · App. 10/139,006
Optical fiber cable for use in harsh environments
Inventors:
Jeffrey A. Bonja, Douglas A. Norton, Christopher Chestnut, Robert A. Rubino
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: May 3, 2002
Inventors
Jeffrey A. Bonja
Douglas A. Norton
Christopher Chestnut
Robert A. Rubino
Assignee (at issue)
Weatherford/Lamb, Inc.
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.