Granted Patent
Utility
US 6,691,734 · App. 10/158,414
Methods and systems for installing cable and conduit in pipelines
Inventors:
Scott Beals, Ronald Hammer, Robert E. Evans, Kevin Leeds
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: May 29, 2002
Inventors
Scott Beals
Ronald Hammer
Robert E. Evans
Kevin Leeds
Assignee (at issue)
Sempra Fiber Links
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.