Granted Patent
Utility
US 6,502,641 · App. 09/574,972
Coiled tubing drilling rig
Inventors:
Gene Carriere, Thomas C. Gipson
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: May 19, 2000
Inventors
Gene Carriere
Thomas C. Gipson
Assignee (at issue)
Precision Drilling Corporation
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.