Granted Patent
Utility
US 5,865,392 · App. 08/062,570
Coiled-tubing reel having a mechanical restraint
Inventors:
Curtis G. Blount, Bruce E. Smith
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Apr 20, 1998
Inventors
Curtis G. Blount
Bruce E. Smith
Assignee (at issue)
Atlantic Richfield Company
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.