Granted Patent
Utility
US 6,112,813 · App. 09/018,527
Method of providing a conduit and continuous coiled tubing system
Inventor:
Philip Head
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Feb 4, 1998
Inventor
Philip Head
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.